Crimson Jazz is a Heartless enemy from Kingdom Hearts II.
The Crimson Jazz, the largest Heartless of its kind, it is a powerful relative to the Red Nocturne from Kingdom Hearts. Like its predecessor, it utilizes Fire magic. However, its magic is more focused on surrounding and crushing the target with explosions rather than shooting flames. Crimson Jazz attacks with orbs of fire that follow Sora until they explode.
Journal Entry
It chases its target with determination while scattering mines, so be wary when fighting this creature.
When its HP gets low, it places a large mine. Avoid it before it explodes. It easily resists magic, so don't be shy about using the Keyblade!