Blitzcrank

Arena changes

• I: Shield doubled.
• I: Static cooldown changed to 20 seconds.
• Q: AP ratio changed to 150% AP.
• Q: Cooldown changed to 11 to 9 seconds.
• W: Self-slow strength changed to 20%.
• W: Self-slow duration changed to 1 second.
• W: Bonus attack speed changed to 70 to 90%.
• R: Passive base damage changed to 60 to 160 3.
• R: Passive AP ratio changed to 40 to 60 3% AP.
• R: Active AP ratio changed to 130% AP.²

• Mystic Punch with Reverberation or Moon Blade is recommended with Blitzcrank.³
• With Gamba Anvil in round 1, going for items can feel better on Blitzcrank; one approach is to take two or three basic items and then replace Gamba with another prismatic augment.⁴

• A good hook can win a round very quickly.⁵
• Blitzcrank can be valuable with one point in Q, even with no gold.⁶
• With Ethereal Weapon, activating E without following with an auto makes all of Blitzcrank's abilities include the knockup.⁷
• With Lightning Rod and an autocast Blitzcrank hook, opponents can be repeatedly crowd controlled into spells, attacks, and other autocasts.⁸
• With level 2 Ethereal Weapon, Blitzcrank's R passive can keep triggering through repeated on-hit applications despite its internal cooldown.⁹
• With Puppeteer and Ethereal Weapon, each lightning from R can repeatedly trigger Puppeteer's four on-hit effects; the lightning can also continue into the next round.¹⁰
• Blitzcrank's R passive stacks can be applied as quickly as they are consumed with rank 2 Ethereal Weapon, continuing to deal damage until the enemy dies, even if Blitzcrank dies.¹¹
• Blitzcrank's ultimate on-hit effect is a reason to play him.¹²
• Repeatedly hooking opponents can be annoying.¹³
• With Reverberation and Mystic Punch or Mirage, Blitzcrank can gain an infinite without stacking first.¹⁴

• Blitzcrank's R passive used to apply recursively and infinitely; this no longer happens.³ Patch unknown

Earlier formats

• Blitzcrank's E can knock up an enemy at range after enough of his R passive on-hit effects have stacked.¹⁶¹⁷ 8x2 duos
• Hexbolt Companion can trigger Blitzcrank's E on-hit effect; with an on-hit reduction such as Spellblade or Mystic Punch, E can be used repeatedly and trigger that effect.¹⁸¹⁹²⁰ 8x2 duos
• Hexbolt Companion can make Blitzcrank's E ranged.¹⁷ 8x2 duos
• A dual-cast augment can launch Blitzcrank's hook from an allied champion.²¹²² 8x2 duos
• Blitzcrank's E is an on-hit move.¹⁹²³ 8x2 duos
• With Hexbolt Companion, Blitzcrank can use E repeatedly and trigger an on-hit effect from Spellblade or Mystic Punch.¹⁸ 8x2 duos
• Blitzcrank gets value from tear items, though to a lesser extent than Kassadin.²⁴ 8x2 duos
• Any AP build can work well on Blitzcrank.²⁵ 8x2 duos
• Blitzcrank's Q cooldown, W bonus attack speed, W cooldown, and W self-slow changed in patch 14.13.¹⁵ 8x2 duos
• A single displacement can make a pillar fall on a champion; Blitzcrank's hook can pull a champion into a pillar hitbox.²⁶ 8x2 duos