Heimerdinger Ability (LoL): CH-2 Electron Storm Grenade

Heimerdinger hurls a grenade at a targeted location, dealing 60 / 100 / 140 / 180 / 220 (+60% of ability power) magic damage and slowing enemies hit by 35% for 2 seconds. Enemies struck directly by the grenade are also stunned for 1.5 seconds.

If the grenade hits a champion, all turrets within 1000 range of the damage gain 100% beam charge.