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Heimerdinger vs Kai'Sa

Heimerdinger
vs
Not enough games
Kai'Sa
Analyze a draft with Heimerdinger
Sustained DPSHigh burstHeavy AP damageHeavy AD damage

Build vs Kai'Sa

The champion's reference build, for lack of enough games in this matchup

Recommended items for Heimerdinger: Blackfire Torch, Liandry's Torment, Zhonya's Hourglass, Sorcerer's Shoes, Rylai's Crystal Scepter, Rabadon's Deathcap, Shadowflame, Void Staff.

Starting items

Doran's Ring
Health Potion
x2

Core build

Blackfire Torch
1
Liandry's Torment
2
Zhonya's Hourglass
3

Standard

Sorcerer's Shoes
4Magic pen
Rylai's Crystal Scepter
5

Summoner spells

ExhaustFlash33%
FlashDot33%

Anti CC

Mercury's Treads
4vs CC

Other options

Rylai's Crystal Scepter
Rabadon's Deathcap
Shadowflame
Void Staff
Morellonomicon
Banshee's Veil
Stormsurge
PrecisionPrecision
ConquerorConqueror
Presence of MindPresence of Mind
Legend: HasteLegend: Haste
Cut DownCut Down
SorcerySorcery
Absolute FocusAbsolute Focus
Gathering StormGathering Storm
Adaptive ForceAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Kai'Sa's abilities

Passive, spells and ultimate

Second Skin (P)

Kai'Sa's basic attacks stack Plasma, dealing increasing bonus magic damage. Allies' immobilizing effects help stack Plasma. Additionally, Kai'Sa's item purchases upgrade her basic spells to have more powerful properties.

Cooldowns

Cooldowns by spell rank

LevelQWER
310s20s16s–
68s20s16s2m10
96s18.5s16s2m10
116s17s16s1m40
166s14s13s1m10
186s14s10s1m10

Playing as Heimerdinger

Tips to maximize your impact

  1. Plant your turrets and stay close

    Place your turrets with H-28 G Evolution Turret (Q) where you want to fight, then stay close: if you move too far away, they deactivate after 8 seconds.

  2. Aim the center of your grenade

    Aim the center of CH-2 Electron Storm Grenade (E) at your target: only enemies in the center are stunned, and hitting a champion fully charges your nearby turrets.

  3. R then W for the kill

    To kill a target, cast UPGRADE!!! (R) then Hextech Micro-Rockets (W): you fire 4 waves of rockets instead of one.

  4. Giant turret for objectives

    For a teamfight or an objective, cast UPGRADE!!! (R) then H-28 G Evolution Turret (Q): the turret lasts 8 seconds, slows, deals area damage and is immune to CC.

Playing against Kai'Sa

How to counter and exploit weaknesses

  1. Stay near your minions

    Stay near your minions: Icathian Rain (Q) splits its missiles between nearby enemies, and on your own, you take them all.

  2. Harass her before she evolves

    If your attack range beats her 525 units, harass her early: Second Skin (passive) only evolves her spells as she buys items.

  3. Dodge her Void Seeker

    Dodge Void Seeker (W): it marks you with Plasma and reveals you, which lets Killer Instinct (R) dash onto you from very far away.

Other Heimerdinger matchups

Patch 16.21.1