Rumble

Innate: Rumble's basic ability casts generate Heat, which refreshes on subsequent casts and decays by Heat per second after not using any basic ability within 4 seconds or The Equalizer within 2 seconds. Rumble's mech enters the Danger Zone when at or above Heat, and becomes Overheated while at Heat.

Danger Zone: Rumble's mech enters the Danger Zone, empowering his basic abilities.

Overheated: Rumble's mech becomes Overheated, disabling his abilities as his Heat decays back down to 0 over 4 seconds. During this time, he gains 50+((130-50)/17)*(x-1)*(0.7025+0.0175*(x-1))% bonus attack speed and empowers his basic attacks to deal 5 to 40% (+ 25% AP) (+ 5% of the target's maximum health) bonus magic damage on-hit. The damage based on the target's health ratio is capped at 65+((150-65)/17)*(x-1)*(0.7025+0.0175*(x-1))% against monsters.

Active: Rumble generates Heat to activate his flamethrower for 3 seconds, dealing magic damage every 0.25 seconds to enemies hit in a frontal cone, reduced to 70% against minions.

Junkyard Titan 2 Bonus: Flamespitter's damage is increased by 50%.

Flamespitter's damage based on the target's health ratio against monsters is capped at 65+((300-65)/17)*(x-1)*(0.7025+0.0175*(x-1))%.

Active: Rumble generates Heat to grant himself a shield for 1.5 seconds.

Rumble also gains bonus movement speed for 1 to 1.32 seconds.

Junkyard Titan 2 Bonus: Scrap Shield's shield strength and bonus movement speed are increased in effectiveness by 50%.

Active: Rumble generates Heat to shoot a harpoon in the target direction that deals magic damage to the first enemy hit, inflicting them with magic resistance reduction for 4 seconds and slow them for 2 seconds. These effects stack additively with multiple harpoons, refreshing their duration and stacking up to 2 times.

Rumble periodically stocks an Electro Harpoon charge, up to a maximum of 2.

Junkyard Titan 2 Bonus: Electro Harpoon's effects are increased by 50%.

Active: Rumble deploys a barrage of rockets along the target path that land in a line over 0.75 seconds, creating a field of fire for 4.5 seconds after the last rocket lands.

Enemies struck by the impact or within the field are marked as Burning for 1 second, which deals magic damage every 0.5 seconds, slow by 35%, and refreshes continuously while in the area.