The damage type that Rumble deals is mostly Magic Damage.
Rumble's damage type breakdowns as follows:
Every spell Rumble casts gives him Heat. When he reaches 50% Heat he reaches Danger Zone, granting all his basic abilities bonus effects. When he reaches 100% Heat, he starts Overheating, gaining 20 - 80% bonus Attack Speed and granting his basic attacks 5 - 40 (+6% of target's maximum health) (+25% bonus Ability Power) bonus damage, but making him unable to cast spells for a few seconds.
Rumble torches his opponents, dealing 180/220/260/300/340 (+110% bonus Ability Power) magic damage in a cone over 3 seconds. This spell deals 60/65/70/75/80% damage to minions.Danger Zone Bonus: Deals 150% damage.
Rumble tosses up a shield for 1.5 seconds that absorbs 60/90/120/150/180 (+45% bonus Ability Power) damage. Rumble also gains an additional 10/15/20/25/30% Movement Speed for 1 second. Danger Zone Bonus: 50% increase in shield health and Movement Speed.
Rumble shoots his opponent with up to 2 tasers, dealing 60/85/110/135/160 (+40% bonus Ability Power) magic damage and applying a stacking slow of 15/20/25/30/35% for 2 seconds and reduces the enemy's Magic Resist by 12/14/16/18/20%.Danger Zone Bonus: Damage, slow percentage, and Magic Resist are increased by 50%.Rumble's Electro Harpoon recharges every 6 seconds.
Rumble launches a line of rockets that creates a burning trail for 5 seconds. Enemies in the area have their Movement Speed slowed by 35% and take 130/185/240 (+30% bonus Ability Power) magic damage each second. Max Damage: 700/1050/1400 (+1.75% bonus Ability Power)You can control the placement of this attack by clicking and dragging your mouse in a line.
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