How do you use Force Fury on Star Wars the Force Unleashed 2 on the Wii

Your probably referring to Force Rage. After completing 4 story chapters in the game, you'll unlock the Force Rage ability. When that becomes available, you build up the meter by attacking enemies. When the yellow bar is completely full, press the left arrow on the control pad. Then point the Wii remote at the screen, selecting the enemies you want to diminish. When you upgrade the Force Rage by spending Force points, you'll be able to fill the meter faster and select more enemies.