League of Legends Reforged Rune: Glacial Augment

Immobilizing an enemy champion will cause 3 glacial rays to emanate from them towards you and other nearby enemy champions, creating icy zones that last for 3 (+100% of the immobilizing effect's duration) seconds.

Enemies within the icy zones are slowed by 20% (+7% per 100 bonus attack damage) (+6% per 100 ability power) (+9% per 10% heal and shield power) and have their damage reduced by 15% against your allies, excluding yourself.

Cooldown: 25 seconds