League of Legends Reforged Rune: Arcane Comet

Damaging an enemy champion with an ability hurls a comet at their location, or if Arcane Comet is on cooldown, reduces its remaining cooldown.

Adaptive Damage: 30-130 (+5% of ability power) (+0.1 per bonus attack damage)
Cooldown: 20-8 seconds

Cooldown Reduction:
Single Target: 20%
Area of Effect: 10%
Damage over Time: 5%