Aphelios Ability (LoL): Binding Eclipse

Aphelios triggers a gravity field on enemies he has slowed with gravitum, rooting for 1 second and dealing 50−110 (+70% of ability power) (+26-35% per bonus attack damage) magic damage (depending on level).

Each use of the ability will cost 10 Moonlight + 60 Mana.
Cooldown: 12-10 (between levels 1-13)