Senna Ability (LoL): Dawning Shadow

Senna fires a beam of light that deals 250 / 400 / 550 (+70% of ability power) (+1.15 of attack damage) physical damage to all enemy champions hit. Allied champions hit in a wider area receive a 120 / 160 / 200 (+50% of ability power) (+1.5 per Mist collected) shield for 3 seconds.