Mighty Swing
CCAOE
Grock strikes forward with massive force, dealing 240 (+100% Extra Physical Attack) Physical Damage. Enemies with obstacles behind them are knocked back into the obstacle, knocked airborne, and take 4 (+2% Total Physical Defense)% extra Physical Damage (capped at 300 (+20*Hero Level) against non-hero units). If there are no obstacles behind, enemies are only knocked back slightly.
Earthen Rampart
CCAOE
After a brief delay, Grock summons a stone wall in the target area, dealing 100 (+60% Extra Physical Attack) Physical Damage and knocking enemies towards him.
Use Again: Cancel the wall early.
Tectonic Charge
MobilityAOE
Grock charges forward and gains Control Immunity, dealing 100 (+50% Total Physical Attack) Physical Damage to enemies in his path. Upon hitting terrain, he immediately stops and triggers a massive explosion that knocks nearby enemies airborne for 1s and deals 650 (+300% Total Physical Attack) Physical Damage. If this skill doesn't hit terrain, 50% of its cooldown is refunded.