Rammus Ability (LoL): Powerball

Rammus switches to his ball state, continually increasing his movement speed up to 150-235% (at levels 1-18). Upon impacting with his enemies, they will be knocked back for an instant and be dealt 100 / 135 / 170 / 205 / 240 (+100% of ability power) magic damage. Additionally, targets affected by the impact will be slowed by 40 / 50 / 60 / 70 / 80 % for 1 second. Powerball lasts for up to 6 seconds.

Powerball is a channeled effect and can be interrupted.