Power Stomp

The Power Stomp is a move used by Sonic the Hedgehog that which first appeared in Sonic Unleashed. It involves Sonic performing a huge stomp into the ground to destroy enemies and obstacles lava.

Usage
to Use Power Stomp You Must Complete Crisis City Mission Power Stomp First and then You Have It. this move can help sonic damaging more enemies Once Landing on Ground  Sonic Releases a Powerfull Huge destructive shock-wave activate a pads.

Sonic Generations
The Power Stomp appeared in Sonic Generations as one of Modern Sonic's standard skils with the controls identical to Sonic Unleashed's, while on the 3DS version, Sonic has to have obtained the Stomping Shoes before he can use it. If Sonic is equipped with the Skill named Power Stomp, it increases range of the shock-wave generated by the Stomp, thus allowing Sonic to damage more enemies in the vicinity.

Trivia

 * If one looks closely, the Power Stomp attack highly resembles Sonic's Down Aerial attack (also known as a Powerfull Meteor Smash) in Super Smash Bros. Brawl.