メジャイ ソウルスティーラー

Unique - Glory:

Gain 4 stacks for each champion kill and 2 stacks for each assist, up to a maximum of 25 stacks. For every stack, gain 5 ability power, up to 125 at maximum stacks. If you have at least 10 stacks, also gain 10% bonus movement speed. Lose 10 stacks on death. Stacks are preserved from Dark Seal.