Power Flash

Power Flash is a special attack that appears in Sonic Adventure 2 and its remake Sonic Adventure 2: Battle. When using it, Knuckles immobilizes the opponent for a short amount of time.

Description
The Power Flash involves about Knuckles yelling "Take that!" after doing his special attack pose, then he releases a flash of light that disables the opponent's movements for a short time. While the Power Flash takes effect, the other player's screen will turn pink and cannot move for ten seconds, although the player can sometimes reduce the time, by pressing any button randomly.

In gameplay, the Power Flash is only usable in the multiplayer mode after gathering sixty Rings while controlling Knuckles in a treasure hunting battle. After that, the player has to press the.