The damage type that Heimerdinger deals is mostly Magic Damage.
Heimerdinger's damage type breakdowns as follows:
Gain 20% Movement Speed while near allied towers and turrets deployed by Heimerdinger.
Places a Turret. Turret attacks prioritize Heimerdinger's targets and enemies attacking Heimerdinger. Turrets shut down if Heimerdinger moves far away. Heimerdinger generates a Turret Kit every 24/23/22/21/20 seconds and can hold 3 Kits at once. H-28G Evolution Turret StatsHealth: 130 - 640 (+5 - 45% Ability Power)Attack - Cannon: 7/11/15/19/23 (+35% bonus Ability Power) Magic Damage.Attack - Beam: 40/60/80/100/120 (+55% bonus Ability Power) Magic Damage every 90 seconds.Maximum Turrets Placed: 3
Unleashes a barrage of 5 rockets that converge towards the cursor and fan out past it. Rockets deal 40/65/90/115/140 (+55% bonus Ability Power) Magic Damage. Additional rocket hits deal reduced damage:Champions and Monsters: 12/18/24/30/36 (+12% bonus Ability Power) Magic Damage, max 90/135/180/225/270 (+93) total damageMinions: 60% of base damageRocket hits against champions charge nearby turret beam attacks.
Hurls a grenade that deals 60/100/140/180/220 (+60% bonus Ability Power) Magic Damage to enemies and slows their Movement Speed by 35% for 2 seconds. Enemies in the center of the blast are also stunned for 1.25 seconds.Hitting a champion fully charges nearby turret beams.
Makes Heimerdinger's next ability free and gives it bonus effects. Reactivate to cancel. H-28Q Apex Turret: Places a Turret for 8 seconds that deals 80/100/120 (+30% bonus Ability Power) Magic Damage with its cannon and 100/140/180 (+70% bonus Ability Power) Magic Damage with its beam. It has splash damage, immunity to disables, its attacks slow by 25% for 2 seconds and it doesn't count toward the Turret limit. Hextech Rocket Swarm: Fires 4 waves of rockets that each deal 135/180/225 (+45/45/45% bonus Ability Power) Magic Damage. Champions and Monsters hit by multiple rockets take reduced damage, max 503/697.5/892 (+183% bonus Ability Power). CH-3X Lightning Grenade: Throws a bouncing grenade that discharges three times, dealing 100/200/300 (+60% bonus Ability Power) Magic Damage. Both the stun and slow areas are larger and the slow is improved to 80%.
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