Updated for patch 9.19
Leaps towards an enemy and transforms into Mega Gnar, becoming a melee attacker for 60 seconds. After leaping, throws nearby enemies towards his team, dealing 200 / 300 / 400 magic damage and stunning them for 2 seconds. While in Mega Gnar form, gains 250 / 450 / 650 health and 50 / 100 / 150 attack damage.
Select allies become empowered, causing their basic attacks to generate stacks of Fury, up to 5. Each stack gives 12% attack speed, up to 60% attack speed.