Rumble Ability (LoL): Flamespitter

Rumble begins torching the area in front of him with his flamethrower, dealing 11.25 / 15 / 18.75 / 22.5 / 26.25 (+9.16% of ability power) magic damage to all units in a cone in front of him every quarter second for 3 seconds, up to a total of 180 / 220 / 260 / 300 / 340 (+110% of ability power) magic damage over the entire duration. Flamespitter deals 60 / 65 / 70 / 75 / 80% damage to minions. Rumble can move, attack and use other abilities while the flamethrower is on.

While in the "Danger Zone", this spell deals 50% additional damage.