Yuumi Ability (LoL): Prowling Projectile

Yuumi fires a missile that deals 50 / 80 / 110 / 140 / 170 / 200 (+30% of ability power) (+2%-8% of the target's current health) in magic damage to the first enemy hit. If the missile is in flight for 1 second, it instead deals 60 / 100 / 140 / 180 / 220 / 260 (+40% of ability power) magic damage and applies a 20% slow to enemies for 1 second.

If Yuumi is Attached, she fires the missile from her ally's position and can direct the flight of the missile for up to 2 seconds.