Senna Ability (LoL): Piercing Darkness

Senna shoots a bolt of piercing shadow through an ally or enemy. Enemies hit take 30 / 60 / 90 / 120 / 150 (+0.4 per bonus attack damage) physical damage and are slowed by 15% (+0.1% per ability power) (+0.0015 per bonus attack damage). Allied champions hit are healed for 40 / 55 / 70 / 85 / 100 (+60% of ability power) (+0.4 per bonus attack damage) health.

Basic attacks reduce Piercing Darkness' cooldown by 1 second.

Target range: 600−1300 (depending on Senna's collected Mist)