Fire Raid is a Single Link used by Riku. While activated, Riku will be able use fire based attacks. His combo's consist of using his Keyblade like Chakrams, which starts with him throwing his Keyblade at the enemy twice, then throwing multiple Keyblades around him like a barrier constantly, and the finisher has him throwing multiple Keyblades at the enemy once again.
When using Fire Raid, Riku gains a bright orange aura around him. Wisps of fire emit from his body as well.
Learning Fire Raid
Kingdom Hearts 3D: Dream Drop Distance