Perhaps you can help by uploading a picture of red diamond and gif of use.
Fireball (ファイアボール Faiabōru?) is a technique that appears in Kingdom Hearts Re:coded, in the rail-shooting areas of Wonderland and Hollow Bastion. It allows the user to launch several fireballs at enemies.
Kingdom Hearts Re:coded
- Data-Sora obtains Fireball by picking up red diamond-shaped power-ups.