慈悲之擊

Upgrades one of your champion's abilities, empowering the ability's cast to enhance your next basic attack. The enhanced attack has 300 bonus range, gains 75% bonus attack speed, and deals bonus magic damage equal to 3% (+ 2% per 10% heal and shield power) of the target's maximum health. If the target is a turret, the damage is modified to 2.5% of the target's maximum health bonus magic damage.