Hullbreaker

Skipper Basic attacks On-Hit against any enemy grant a stack for 10 seconds, stacking up to 5 times. At maximum stacks, or 4 stacks, your next basic attack against a champion, epic monster, or structure consumes all stacks to deal 120% (melee) / 84% (ranged) base AD (+ 5% (melee) / 3.5% (ranged) maximum health) bonus physical damage, increased to 300% (melee) / 210% (ranged) base AD (+ 10% (melee) / 7% (ranged) maximum health) against structures.

Boarding Party Allied and within er 1050 units gain 70 to 130 for 11 (melee) / 70*0.5 to 130*0.5 for 11 (ranged) bonus armor and bonus magic resistance, as well as 10% increased size.