Heimerdinger/Patch history

Gameplay

Collection

Audio

Patch history

Past versions

Current version

V25.S1.3

• H-28G Evolution Turret
  • Bug Fix: Turret attacks against champions no longer trigger minion call-for-help against the summoner (if in valid range).
• UPGRADE!!!
  • Bug Fix: No longer allows all abilities to gain the effects of Axiom Arcanist while UPGRADE!!! has been activated and until it is deactivated by the player or otherwise sealed.

V14.24

• H-28G Evolution Turret
  • Bug Fix: Floating charge count VFX no longer resets every 0.25 seconds when 2 trinket wards are available.
  • Bug Fix: Turret death SFX no longer plays repeatedly if the turret is destroyed near its deactivation time.
• Hextech Micro-Rockets
  • Bug Fix: No longer reveals the user if cast while the cursor is near an enemy champion.
• Hextech Rocket Swarm
  • Bug Fix: No longer reveals the user if cast while the cursor is near an enemy champion.

V14.11

• H-28G Evolution Turret
  • Bug Fix: Ability is no longer sometimes locked out even when charges were available, because of the recharge cooldown being desynced from the ability's charge count as they are used.
  • Undocumented: Heimerdinger no longer has a buff that tracks his charges and the recharge timer. This buff was also previously desynced from his actual charge count.
  • Bug Fix: The floating charge count on his VFX around his model is now synced with the actual amount of available charges on the ability.

V14.2

• H-28G Evolution Turret
  • New Effect: Now updates its stats every 1 second in order to reflect level ups, rank ups, and the caster's changes in ability power.
  • Bug Fix: Warden's Mail and Randuin's Omen no longer improperly slow their attack speed.
• H-28Q Apex Turret
  • New Effect: Now updates its stats every 1 second in order to reflect level ups, rank ups, and the caster's changes in ability power.

V13.22

• Stats
  • Base attack speed increased to 0.658 from 0.625.
  • Attack windup reduced to 20% from 20.078125%.

V13.15

• UPGRADE!!!
  • H-28Q Apex Turret
    • Base health changed to 725 – 1525 (based on level) from 850 – 1450 (based on level).
    • Health AP ratio changed to 50% AP at all levels from 25% – 200% (based on level) AP.
    • Armor increased to 30 – 90 (based on level) from 10 – 80 (based on level).
    • Magic resistance increased to 30 – 90 (based on level) from 25 – 65 (based on level).

V13.7

• H-28G Evolution Turret
  • Undocumented: Now begins the game with one charge available instead of three.
  • Known Bug: Spawning or respawning will cause the buff to not correctly track his charges, showing three charges available instead of one. This is further de-synced as turrets are placed and destroyed (and only syncs up when he has no turrets deployed and three charges actually available).
  • Reminder that the count on his VFX around his model is synced up with the count on the buff bar, not on his Q.
• UPGRADE!!!
  • Undocumented/Bug Fix: No longer automatically refreshes the cooldowns of Hextech Micro-Rockets or CH-2 Electron Storm Grenade when cast (including when the ability is canceled).

V13.1b

• H-28G Evolution Turret
  • Turret base health reduced to 130 – 640 (based on level) from 175 – 700 (based on level).
  • Turret health AP ratio increased to 5% – 45% (based on level) AP from 5% – 40% (based on level) AP.
• Hextech Micro-Rockets
  • Initial rocket base damage reduced to 40 / 65 / 90 / 115 / 140 from 50 / 75 / 100 / 125 / 150.
  • Initial rocket AP ratio increased to 55% AP from 45% AP.

V12.21 - November 2nd Hotfix

• H-28Q Apex Turret
  • Bug Fix: Casting the ability no longer improperly resets the cooldowns of Hextech Micro-Rockets and CH-2 Electron Storm Grenade if they were already on cooldown.

V12.12

• H-28G Evolution Turret
  • Turret base damage increased to 7 / 11 / 15 / 19 / 23 from 6 / 9 / 12 / 15 / 18.
  • Turret base health increased to 175 – 700 (based on level) from 150 – 575 (based on level).
• CH-2 Electron Storm Grenade
  • Cooldown reduced to 11 seconds from 12.

V12.10

• Stats
  • Base health increased to 558 from 488.
  • Health growth increased to 101 from 87.
  • Armor growth increased to 4.2 from 3.
  • Magic resistance growth increased to 1.3 from 0.5.

V12.1

• H-28G Evolution Turret
  • Bug Fix: Deactivation sound effects have been restored for several of his skins.
• CH-2 Electron Storm Grenade
  • Bug Fix: Explosion sound effects no longer play multiple times upon hitting an enemy.

V11.9

• Hextech Micro-Rockets
  • Initial rocket base damage reduced to 50 / 75 / 100 / 125 / 150 from 50 / 80 / 110 / 140 / 170.
  • Subsequent rocket base damage reduced to 10 / 15 / 20 / 25 / 30 from 10 / 16 / 22 / 28 / 34.
  • Maximum base damage: 90 / 135 / 180 / 225 / 270 from 90 / 144 / 198 / 252 / 306.

V11.1

• Stats
  • Base attack damage increased to 56 from 55.536.
  • Base armor reduced to 19 from 19.04.

V10.15

• H-28G Evolution Turret
  • Bug Fix: Turret now properly triggers Manaflow Band.

V10.14

• H-28G Evolution Turret
  • Bug Fix: Approaching and triggering his turrets no longer triggers Immolate.

V9.24b

• Hextech Micro-Rockets
  • Initial rocket base damage reduced to 50 / 80 / 110 / 140 / 170 from 60 / 90 / 120 / 150 / 180.
  • Subsequent rocket base damage reduced to 10 / 16 / 22 / 28 / 34 from 12 / 18 / 24 / 30 / 36.
  • Maximum base damage: 90 / 144 / 198 / 252 / 306 from 108 / 162 / 216 / 270 / 324.
• CH-3X Lightning Grenade
  • Base damage reduced to 100 / 200 / 300 from 150 / 250 / 350.
  • AP ratio reduced to 60% AP from 75% AP.

V9.21

• UPGRADE!!!
  • Bug Fix: Tooltip no longer mentions that his CH-3X Lightning Grenade's slow is improved to 80%.

V9.19

• H-28G Evolution Turret
  • Turret basic attack AP ratio increased to 35% AP from 30% AP.
• H-28Q Apex Turret
  • Turret basic attack AP ratio increased to 35% AP from 30% AP.
• CH-2 Electron Storm Grenade
  • Stun duration increased to 1.5 seconds from 1.25.

V9.6

• Turrets
  • New Effect: Now triggers effects that are triggered by pets (i.e. on-ability-hit effects). Turret lasers, ult turrets shots, and ult turret lasers are classified as AoE effects, too.

V9.1

• H-28G Evolution Turret
  • New Effect: Can now ping the number of turrets available or time until next turret if none are available.

V8.24 - December 5th Hotfix

• H-28G Evolution Turret
  • Bug Fix: Dying while third turret charge is stockpiling no longer allows him to get a fourth charge.
• Hextech Rocket Swarm
  • Bug Fix: Once again shares a cooldown with Hextech Micro-Rockets.
• CH-2 Electron Storm Grenade
  • Bug Fix: Stun duration has been fixed.
• CH-3X Lightning Grenade
  • Bug Fix: Stun duration has been fixed.
  • Bug Fix: Can no longer cast it immediately after CH-2 Electron Storm Grenade if timed exactly.

V8.24

• H-28G Evolution Turret
  • Bug Fix: Beam attack cooldown now once again scales with cooldown reduction.
  • Turret stats have been moved into the expanded tooltip (hold SHIFT). Expanded tooltip now indicates that turret health scales off of Heimerdinger's ability power.
• Hextech Micro-Rockets
  • Bug Fix: Tooltip now notes the actual calculation for minion damage instead of noting an incorrect and irrelevant "60% damage" modifier.
• Hextech Rocket Swarm
  • Missile 1 damage unchanged.
  • Missiles 2 to 5 base damage increased to 32 / 45 / 58 from 28 / 39 / 49.
  • Missiles 6 to 20 base damage reduced to 50% of lesser base damage from 60% (now matches AP ratio modifier).
    • Missiles 6 to 20 base damage reduced to 16 / 22.5 / 29 from 16.8 / 23.4 / 29.4.
  • Maximum base damage: 503 / 697.5 / 892 from 499 / 687 / 862.

V8.22

• Dragon Trainer Heimerdinger
  • Bug Fix: No longer has redundant death SFX.
  • Bug Fix: Is no longer missing dance SFX.

V8.9

• Stats
  • Base mana increased to 385 from 307.2.
  • Mana growth reduced to 20 from 40.
  • Base mana regeneration increased to 8 from 6.

V8.1

• H-28Q Apex Turret
  • Beam base damage reduced to 100 / 140 / 180 from 200 / 270 / 340.

V7.22

• Stats
  • Base health increased to 488 from 476.
  • Health growth increased to 87 from 75.

V7.16

• H-28Q Apex Turret
  • Bug Fix: Beam attack no longer breaks for the rest of its duration if its target walks out of range during the beam attack's wind-up.

V7.15

• Hextech Rocket Swarm
  • Bug Fix: Now correctly applies the subsequent rocket damage against Baron Nashor instead of dealing full damage.
• CH-2 Electron Storm Grenade
  • Bug Fix: Sweeping a ward no longer plays the sound effects to it when he is in the game.
• CH-3X Lightning Grenade
  • Bug Fix: No longer uses the old AP ratio of 60% for the second and third bounces.

V7.12

• General
  • Bug Fix: Must now actually fire a basic attack to command turrets to focus a target. Issuing an attack command and immediately cancelling it no longer triggers the redirect.
• CH-2 Electron Storm Grenade
  • Bug Fix: Now properly charges nearby turret beam attacks even if it kills an enemy.

V7.11

• H-28G Evolution Turret
  • Removed: Turrets killed increasing the minion killed stat. H-28Q Apex Turret still increases the creep score.

V7.10

• Stats
  • Base health regeneration reduced to 7 from 11.008.
  • Health regeneration growth reduced to 0.55 from 1.75.
• Hextech Affinity
  • Renamed to Hextech Affinity from Techmaturgical Repair Bots.
  • New Effect: Grants 20% bonus movement speed while near allied turrets (his own and the map's) (300 range).
  • Removed: Heimerdinger grants nearby allied champions and his turrets 10 / 15 / 20 / 25 / 30 (based on level) health regeneration, persisting for 5 seconds after they move out of range or his death (1000 range).
• H-28G Evolution Turret
  • Maximum charges increased to 3 at all ranks from 1 / 1 / 2 / 2 / 3.
  • Recharge timer reduced to 20 seconds at all ranks from 24 / 23 / 22 / 21 / 20.
  • Cannon base damage reduced to 6 / 9 / 12 / 15 / 18 from 12 / 18 / 23 / 29 / 34.
  • Cannon AP ratio increased to 30% AP from 15% AP.
  • Beam base damage reduced to 40 / 60 / 80 / 100 / 120 from 40 / 60 / 80 / 105 / 130.
  • Removed: Turrets no longer prioritize nearby enemy champions or champions that attack them.
  • Removed: Turrets no longer briefly remain active after Heimerdinger leaves the area.
  • Beam attack generation rate per second reduced to 1.1% from 6.25%.
    • Beam attack charge time increased to 90 seconds from 16.
  • Removed: Turrets no longer gain 1 / 2 / 3 / 4 / 5% beam charge for each of their basic attacks.
  • Removed: Turrets no longer spawn with 70% beam charge.
  • New Effect: The charge bar is now white instead of dark blue.
• Hextech Micro-Rockets
  • Mana cost reduced to 50 / 60 / 70 / 80 / 90 from 70 / 80 / 90 / 100 / 110.
  • Cooldown reduced to 11 / 10 / 9 / 8 / 7 seconds from 11 at all ranks.
  • New Effect: Each rocket that hits a champion grants 20% beam charge to all turrets within 1000 range of the damage, up to a maximum of 100% if all five rockets hit.
• CH-2 Electron Storm Grenade
  • Cooldown changed to 12 seconds at all ranks from 18 / 16 / 14 / 12 / 10.
  • Grenade radius increased to 250 from 210. Stun radius unchanged.
  • New Effect: If the grenade hits a champion, all turrets within 1000 range of the damage gain 100% beam charge.
  • New Effect: Heimerdinger can now lob the grenade onto himself.
• CH-3X Lightning Grenade
  • Base damage increased to 150 / 250 / 350 from 150 / 200 / 250.
  • AP ratio increased to 75% AP from 60% AP.

First rework

V7.9

• Stats
  • Magic resistance growth increased to 0.5 from 0.

V7.4

• General
  • Adjusted splash artwork for Alien Invader Heimerdinger.

V7.2

• Stats
  • Undocumented: Health regeneration increased to 11.008 from 11.005.

V6.24

• Hextech Micro-Rockets
  • Bug Fix: Rockets beyond the first now deal reduced damage to the Poro King (he's now treated as a monster, rather than a minion).

V6.1

• CH-2 Electron Storm Grenade
  • Bug Fix: Fixed a bug where Heimerdinger's grenade was granting too much vision for the duration.

V4.20

• Stats
  • Base health regeneration increased to 11.005 from 0.
  • Health regeneration growth increased to 1.75 from 0.6.
• Techmaturgical Repair Bots
  • Removed: No longer affects Heimerdinger.

V4.17

• UPGRADE!!!
  • New Effect: Can be primed while disabled.

V4.13

• General
  • Splash artwork for Alien Invader Heimerdinger and Blast Zone Heimerdinger updated to the Chinese art.

V4.11

• H-28G Evolution Turret
  • New particle for Heimerdinger when marking an opponent for turret targeting.
  • New particles for enemies being targeted and being attacked by turrets.

V4.5

• H-28G Evolution Turret
  • Cannon damage changed to 12 / 18 / 23 / 29 / 34 (+ 15% AP) from 15 / 22 / 29 / 36 / 42 (+ 12.5% AP).
  • Beam damage changed to 40 / 60 / 80 / 105 / 130 (+ 55% AP) from 50 / 75 / 100 / 125 / 150 (+ 50% AP).
  • Beam cooldown increased to 16 seconds.
• H-28Q Apex Turret
  • Basic attack AP ratio reduced to 30% from 33%.
  • Laser beam damage reduced to 200 / 270 / 340 (+ 70% AP) from 225 / 300 / 375 (+ 80% AP).
  • Laser beam no longer recharges twice as fast.
  • On-hit charge generation increased to 20%.

V4.4 - March 21st Hotfix

• H-28G Evolution Turret
  • Bugfix: Fixed a bug where he would perpetually regenerate up to 3 turret kits at a time after dying.

V4.4

• General
  • Visual update.
  • Complete visual upgrade across all skins.
  • New artwork for Original Heimerdinger.
  • New voiceover.
  • New lore.
• Stats
  • Movement speed increased to 340 from 335.
• H-28G Evolution Turret
  • New Effect: Turret health has a 5% – 40% (based on level) AP ratio.
  • New Effect: Turret basic attacks generate 1 / 2 / 3 / 4 / 5% laser beam charge.
  • Removed: Laser beam recharge time is no longer affected by cooldown reduction.

V3.13 rework

• Stats
  • Base health regeneration reduced to 0 from 4.5.
  • Health regeneration per level increased to 0.6 from 0.55.
  • Mana per level reduced to 40 from 65.
  • Base mana regeneration reduced to 6 from 7.
  • Mana regeneration per level reduced to 0.6 from 0.65.
  • Base armor increased to 10 from 7.
  • Base attack damage increased to 53 from 49.24.
  • Attack damage per level reduced to 2.7 from 3.
  • Attack speed per level increased to 1.36% from 1.21%.
  • Movement speed increased to 335 from 325.
• Techmaturgical Repair Bots
  • Removed: No longer benefits allied structures.
  • Health regeneration changed to 10 / 15 / 20 / 25 / 30 (based on level) from 6 / 12 / 16 / 22 (based on level).
• H-28G Evolution Turret
  • Recharge cooldown reduced to 24 / 23 / 22 / 21 / 20 seconds from 25 at all ranks.
  • Active: Heimerdinger constructs a turret at the target location that has 125 (+ 25 * Heimerdinger's level) health and attacks the nearest enemy within 525 units with its cannon at 1.75 attack speed, dealing 15 / 21.75 / 28.5 / 35.25 / 42 (+ 12.5% AP) magic damage per attack. Every 12 seconds (reduced by cooldown reduction), it will fire a laser beam that tears through all enemies in a line, dealing 50 / 75 / 100 / 125 / 150 (+ 50% AP) magic damage to each. Turrets will prioritize Heimerdinger's targets and enemies attacking him.
  • Turrets deal 50% damage to enemy lane towers and deactivate after 8 seconds of Heimerdinger leaving their area (1000 units) or dying. Heimerdinger can stock up to 1 / 1 / 2 / 2 / 3 H-28G Evolution Turret charges and have up to 3 turrets deployed at any point, with the oldest one despawning upon a new one above the limit being deployed.
  • Cost: 20 mana + 1 charge.
  • Cast time: 0.25 seconds, Cast range: 350 units.
• Hextech Micro-Rockets
  • Removed: No longer fires 3 rockets that acquire the nearest target(s).
  • Active: Heimerdinger launches a barrage of 5 rockets that converge upon the target location and fan out past it, each damaging the first enemy it hits. Targets take 60 / 90 / 120 / 150 / 180 (+ 45% AP) magic damage from the first rocket that hits them and 12 / 18 / 24 / 30 / 36 (+ 12% AP) magic damage from every subsequent rocket that hits them. Against minions, subsequent rockets deal 36 / 54 / 72 / 90 / 108 (+ 36% AP) each instead.
  • Cost: 70 / 80 / 90 / 100 / 110 mana.
  • Cooldown: 11 seconds.
  • Cast time: 0.25 seconds, Range: 1525 (starts 200 units behind Heimerdinger).
• CH-2 Electron Storm Grenade
  • Renamed from CH-1 Concussion Grenade.
  • Missile speed increased to 1200 from 750.
  • Removed: No longer blinds enemies.
  • Active: Heimerdinger hurls a grenade that explodes at the target location, dealing 60 / 100 / 140 / 180 / 220 (+ 60% AP) damage. Enemies in the grenade's explosion area are slowed by 35% for 2 seconds, and ones directly in its center are additionally stunned for 1.25 seconds.
  • Cost: 85 mana.
  • Cooldown: 18 / 16 / 14 / 12 / 10 seconds.
  • Target range: 925 units, Effect radius: 210 (slow) / 100 (stun)
• UPGRADE!!!
  • Removed - Passive: Heimerdinger gains 10 / 15 / 20% Cooldown Reduction.
  • Removed - Active: All live turrets heal to maximum health upon cast. For the next 10 seconds, turrets become empowered to fire frost attacks that slow targets by 20 / 25 / 30% for 2 seconds, Hextech Micro-Rockets' fires 5 missiles instead of 3, and CH-1 Concussion Grenade's travels 250 units/second faster (750 to 1000).
  • New - Toggle: (3 second cooldown) Heimerdinger's next basic ability becomes empowered and costs no mana:
  • Cost: 100 mana.
  • Cooldown: 100 / 85 / 70 seconds.
  • Cast time: None.
  • Ability details:
    • H-28Q Apex Turret - Active: Heimerdinger constructs an improved turret model that lasts for 8 seconds and slows enemies hit by 25% for 2 seconds with its attacks. The Apex turret has 1250 health, 1.05 attack speed and 600 attack range. Its cannon attacks deal 90 / 110 / 130 (+ 33% AP) magic damage and its beam attacks deal 225 / 300 / 375 (+ 80% AP) magic damage. Both attacks will additionally splash in a small area around their primary target, dealing the same damage. The Apex turret's beam cooldown is halved to 6 seconds.
      • Deployed H-28Q Apex Turrets do not count toward H-28G Evolution Turrets' limit (nor consume a charge).
    • Hextech Rocket Swarm - Active: Heimerdinger unleashes 4 waves of 5 rockets in quick succession; each rocket damages the first enemy it hits. Targets take 135 / 180 / 225 (+ 45% AP) magic damage from the first rocket that hits them, 28 / 39 / 49 (+ 12% AP) from the second to fifth rocket that hits them and「 16.8 / 23.4 / 29.4 (+ 6% AP) 」「 60% of the lesser base value and 50% of the lesser AP ratio 」 from every subsequent rocket that hits them. Against minions, each subsequent rocket deals the initial damage again.
    • CH-3X Lightning Grenade - Active: Heimerdinger hurls a massive grenade, which bounces 3 times in the cast direction to deal 150 / 200 / 250 (+ 60% AP) magic damage. Both the slow and stun area are larger, and the stun lasts 1.5 seconds instead.
      • Improved Effect radius: 300 (slow) / 150 (stun)

Release version

V3.12

• H-28G Evolution Turret
  • Bug Fix: Extremely high cooldown under certain conditions.

V3.01

• H-28G Evolution Turret
  • New Effect: Now displays timer for next turret stock.
  • New Effect: Turrets will attempt to prioritize enemies hit by Heimerdinger's basic attacks or by CH-1 Concussion Grenade.
• UPGRADE!!!
  • Removed: Cast time.

V1.0.0.152

• Stats
  • Movement speed increased to 335 from 310.

V1.0.0.134

• H-28G Evolution Turret
  • Bug Fix: Fixed a bug where they would survive when Heimerdinger died if they were being teleported to.

V1.0.0.133

• H-28G Evolution Turret
  • Bug Fix: Fixed a bug where turrets became invincible while Heimerdinger was dead if targeted by Teleport.

V1.0.0.132

• General
  • Adjusted splash artwork for Piltover Customs Heimerdinger.

V1.0.0.123

• H-28G Evolution Turret
  • New Effect: Heimerdinger will now place Frost Turrets if he places a turret while UPGRADE!!! is active.
  • Bug Fix: Fixed a bug where turrets could be moved by Crystallize, Cataclysm, and Pillar of Filth.

V1.0.0.120

• H-28G Evolution Turret
  • Mana cost reduced to 70 / 80 / 90 / 100 / 110 from 120 / 125 / 130 / 135 / 140.
  • Bug Fix: Fixed a bug where his turrets would not assist him if damage from an enemy champion was absorbed by shields.

V1.0.0.109

• Techmaturgical Repair Bots
  • Bug Fix: Providing less health regen than stated.
• H-28G Evolution Turret
  • Turret AI improved to prioritize enemy champions attacking Heimerdinger.
  • New Effect: Turrets now use a stock system.
    • Stock cooldown: 25 seconds.
  • New Effect: Turret placement has a 1 second internal cooldown.
  • Green turrets moved to Rank 2 from Rank 3.
  • Double turret placement moved to Rank 3 from Rank 2.
  • Rank 4 bonus health increased to 125 from 100.
  • Health gain reduced to (+ 15 per level) from 21.
  • Turret magic resistance increased to 80 from 60.
  • Tooltip updated ('towers' replaced by 'turrets').
• UPGRADE!!!
  • New Effect: Hextech Micro-Rockets fires 5 rockets for the duration.
  • New Effect: CH-1 Concussion Grenade gains 250 bonus range for the duration.
  • Bug Fix: Affected H-28G Evolution Turret not applying on-hit resistance reductions or area-of-effect damage.

V1.0.0.100

• UPGRADE!!!
  • Tooltip updated to display correct slow value (20 / 25 / 30% instead of 20 / 25 / 30%).

V1.0.0.99

• H-28G Evolution Turret
  • Maximum turrets changed to 1 / 2 / 2 / 2 / 2 from 1 / 2 / 2 / 3 / 3.
  • New Effect: At Rank 4 newly-placed turrets gain 100 bonus health.
  • Cooldown changed to 26 / 23 / 20 / 17 / 14 seconds from 24 / 22 / 20 / 18 / 16.
• CH-1 Concussion Grenade
  • AP ratio increased to 60% AP from 55% AP.
  • Removed: No longer damages structures.

V1.0.0.98

• H-28G Evolution Turret
  • Base damage increased to 30 / 38 / 46 / 54 / 62 from 28 / 36 / 44 / 52 / 60.
  • AP ratio reduced to 20% AP from 25% AP.
  • Removed:Turrets no longer gain bonus attack damage based how many hits they have landed.

V1.0.0.97

• H-28G Evolution Turret
  • Bug Fix: Turrets dealing 100% damage to structures at ranks 2 and 3.
• CH-1 Concussion Grenade
  • AP ratio reduced to 55% AP from 70% AP.
  • Range reduced to 925 from 1000.

V1.0.0.96

• H-28G Evolution Turret
  • Tooltip updated to indicate that turrets deal magic damage.
• CH-1 Concussion Grenade
  • Damage to structures reduced to 50% from 100%.
  • Cooldown increased to 13 / 12 / 11 / 10 / 9 seconds from 12 / 11 / 10 / 9 / 8.

V1.0.0.94(b)

• H-28G Evolution Turret
  • Damage to structures reduced to 50% from 100%.
• CH-1 Concussion Grenade
  • Cooldown reduced to 12 / 11 / 10 / 9 / 8 seconds from 14 / 13 / 12 / 11 / 10.

V1.0.0.94

• H-28G Evolution Turret
  • Bug Fix: Fixed a bug where turrets were targeting incorrectly.

V1.0.0.81

• H-28G Evolution Turret
  • Removed: Turret experience gain and upgrades.
  • New Effect: Green turrets spawn at Ranks 3 and 4.
    • Basic attacks reduce armor and magic resistance on-hit.
  • New Effect: Red turrets spawn at Rank 5.
    • Basic attacks deal on-hit, area-of-effect damage.
  • Turret base damage increased to 28 / 36 / 44 / 52 / 60 from 20 / 26 / 32 / 38 / 44.
  • New Effect: Turrets gain 50% bonus attack speed for the first 6 seconds after being placed.
  • Maximum turrets reduced to 1 / 2 / 2 / 3 / 3 from 2 / 3 / 4 / 5 / 6.
  • New basic attack particles for both green and red turrets.
• Hextech Micro-Rockets
  • Cooldown reduced to 10 seconds from 20.
  • Rockets increased to 3 at all ranks from 1 / 1 / 2 / 2 / 3.
  • New Effect: Rockets can target minions.
  • Base damage reduced to 85 / 135 / 185 / 235 / 285 from 90 / 150 / 210 / 270 / 330.
  • AP ratio reduced to 55% AP from 80% AP.
• UPGRADE!!!
  • Removed: H-28G Evolution Turret bonus stats and upgrades.
  • New Effect: Active heals all placed turrets for 100% their maximum health. For the next 10 seconds affected turret basic attacks apply a 20 / 25 / 30% slow on-hit.
  • Mana cost reduced to 90 from 100.
  • Cooldown: 120 / 105 / 90 seconds

V1.0.0.72

• General
  • Fixed tooltips.
• H-28G Evolution Turret
  • Bug Fix: Fixed a bug that allowed him to place more turrets than the maximum.
• Hextech Micro-Rockets
  • Range reduced to 1000 from 1200.

V1.0.0.70

• Hextech Micro-Rockets
  • Bug Fix: Fixed a bug that caused them to deal instant damage.

V1.0.0.63

• Stats
  • Basic attack projectile speed increased to 1400 from 1200.
  • Health per level increased to 75 from 70.
  • Damage per level increased to 3 from 2.5.
• H-28G Evolution Turret
  • Gold award reduced to 12 from 15.
  • Turret range increased to 575 from 550.
• Hextech Micro-Rockets
  • Rocket targeting and acquisition changed to one rocket at up to 1 / 1 / 2 / 2 / 3 random visible enemy champions from completely random at all times.
  • Cooldown reduced to 20 seconds from 23.
  • Mana cost reduced to 70 / 90 / 110 / 130 / 150 from 80 / 105 / 130 / 155 / 180.
• CH-1 Concussion Grenade
  • Removed: Particle showing through fog of war.
  • Projectile speed increased to 750 from 650.
• UPGRADE!!!
  • Mana cost reduced to 100 from 125.

V1.0.0.32

• CH-1 Concussion Grenade
  • Blind duration reduced to 1 / 1.5 / 2 / 2.5 / 3 seconds from 1.5 / 2 / 2.5 / 3 / 3.5.
• H-28G Evolution Turret
  • Turret magic resistance reduced to 100 from 120.
  • New Effect: Magic resistance will reduce damage dealt to turrets.
  • New Effect: Turrets detonate upon Heimerdinger's death.

V0.9.25.34

• Techmaturgical Repair Bots (Innate)
  • Heimerdinger gives nearby allied turrets and champions 6 / 12 / 16 / 22 health regen per 5.
• H-28G Evolution Turret (Q)
  • Heimerdinger lays down a machine gun turret. This turret gains experience from attacking units, and can be upgraded.
• Hextech Micro-Rockets (W)
  • Heimerdinger fires a number of champion seeking missiles that randomly target champions within range.
• CH-1 Concussion Grenade (E)
  • Heimerdinger lobs a grenade at a location, dealing damage to enemy units and structures, as well as stunning anyone directly hit and blinding nearby units.
• UPGRADE!!! (Ultimate)
  • Passive: cooldown reduction.
  • Active: Target an Evolution Turret to heal it, double its attack speed for 10 seconds, add 200 health, 10 damage, 10 armor, and upgrade it to:
    • Level 2: Ur'Anium Rounds - Basic attacks reduce armor & magic resist by 1.
    • Level 3: Explosive Cartridges - Basic attacks deal AoE damage.

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H-28G Evolution Turret

RECHARGE: 20

Active: Heimerdinger deploys a rapid-fire turret that deals magic damage to his target, or a nearby enemy. The turret will become dormant while he leaves it alone.

Heimerdinger periodically stocks a Turret Kit, up to a maximum of 3.

The turret has a secondary beam attack that charges up over time, which deals magic damage to enemies hit.

H-28Q Apex Turret

COOLDOWN: 1

UPGRADE: Heimerdinger instead deploys a slow-fire turret that attacks a nearby enemy champion, dealing magic damage and slowing nearby enemies.

The turret has a secondary beam attack that charges up over time and while it fires, which deals magic damage to enemies hit.

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UPGRADE!!!

COOLDOWN: 100 / 85 / 70

Active: Heimerdinger can empower his next ability to apply an additional effect. These empowered abilities have the same  cooldowns as their basic forms, deal modified damage, and do not cost mana.

UPGRADE!!! can be recast after a short time, and does so automatically upon casting another ability.

Recast: UPGRADE!!! ends and is put on a short  cooldown.

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Hextech Micro-Rockets

COOLDOWN: 11 / 10 / 9 / 8 / 7

Active: Heimerdinger fires a wave of rockets that converge to the target location and fan beyond it to max range, each dealing magic damage to the first enemy hit. Enemies take less damage from subsequent rockets that hit them.

Whenever a rocket hits an enemy champion, nearby turrets gain some beam charge.

Hextech Rocket Swarm

COOLDOWN: 11 / 10 / 9 / 8 / 7

UPGRADE: Heimerdinger now fires 4 waves of rockets, each rocket dealing magic damage to the first enemy hit. Enemies take less damage from subsequent rockets that hit them.

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Hextech Micro-Rockets

COOLDOWN: 11 / 10 / 9 / 8 / 7

Active: Heimerdinger fires a wave of rockets that converge to the target location and fan beyond it to max range, each dealing magic damage to the first enemy hit. Enemies take less damage from subsequent rockets that hit them.

Whenever a rocket hits an enemy champion, nearby turrets gain some beam charge.

Hextech Rocket Swarm

COOLDOWN: 11 / 10 / 9 / 8 / 7

UPGRADE: Heimerdinger now fires 4 waves of rockets, each rocket dealing magic damage to the first enemy hit. Enemies take less damage from subsequent rockets that hit them.

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H-28G Evolution Turret

RECHARGE: 20

Active: Heimerdinger deploys a rapid-fire turret that deals magic damage to his target, or a nearby enemy. The turret will become dormant while he leaves it alone.

Heimerdinger periodically stocks a Turret Kit, up to a maximum of 3.

The turret has a secondary beam attack that charges up over time, which deals magic damage to enemies hit.

H-28Q Apex Turret

COOLDOWN: 1

UPGRADE: Heimerdinger instead deploys a slow-fire turret that attacks a nearby enemy champion, dealing magic damage and slowing nearby enemies.

The turret has a secondary beam attack that charges up over time and while it fires, which deals magic damage to enemies hit.

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CH-2 Electron Storm Grenade

COOLDOWN: 11

Active: Heimerdinger lobs a grenade to the target location that deals magic damage and slows nearby enemies. Enemies hit at the epicenter are also stunned.

If the grenade hits an enemy champion, nearby turrets gain full beam charge.

CH-3X Lightning Grenade

COOLDOWN: 11

UPGRADE: Heimerdinger's grenade now bounces 3 times, each dealing magic damage in a larger area.

Enemy champions will not be damaged by subsequent bounces.

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CH-2 Electron Storm Grenade

COOLDOWN: 11

Active: Heimerdinger lobs a grenade to the target location that deals magic damage and slows nearby enemies. Enemies hit at the epicenter are also stunned.

If the grenade hits an enemy champion, nearby turrets gain full beam charge.

CH-3X Lightning Grenade

COOLDOWN: 11

UPGRADE: Heimerdinger's grenade now bounces 3 times, each dealing magic damage in a larger area.

Enemy champions will not be damaged by subsequent bounces.

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Hextech Affinity

Innate: Heimerdinger gains  bonus movement speed while near allied towers and turrets he deploys.

Removed content

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Hextech Affinity

Innate: Heimerdinger gains  bonus movement speed while near allied towers and turrets he deploys.

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Blind

A unit that is blinded will miss their basic attacks for the duration, comparable to attacking a target that is able to dodge or block, but not mechanically similar. Missed basic attacks will fail to deal damage and apply on-hit effects, with the exception of some empowered basic attacks. Blind does not prevent the unit from declaring attacks, unlike Disarm.

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Interrupts:	Does not interrupt any actions, but will prevent on-hit effects from being triggered by basic attacks.
Reduction:	The duration is affected by Tenacity.
Resist:	Resisted by crowd control immunity.
Removal:	Removed by Cleanses with the exception of Mikael's Blessing.

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Template:Data Heimerdinger/CH-1 Concussion Grenade

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Crystallize

COOLDOWN: 17

Active: Anivia erects a wall of ice that lingers for a few seconds, blocking movement.

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Cataclysm

COOLDOWN: 120 / 105 / 90

Active: Jarvan IV leaps Unstoppably to the target enemy champion's location, dealing physical damage to nearby enemies upon impact.

He then erects a circle of terrain that lasts for a short time.

Recast: Jarvan IV destroys the created terrain.

Removed content

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Template:Data Trundle/Pillar of Filth