Heartless Bosses (KH III: Reconnect)

This is a list of all major Heartless bosses in the game, Kingdom Hearts 3: Reconnect.
 * Crystal Titan - Rourke's Heartless form after getting crystallized by the crystal knife. It's about as big as the Groundshaker. He is capable of creating large crystals for projectiles in his claws. He is weakened by thunder spells.
 * Hellfire Heartless - A gargoyle wyvern heartless that was summoned by Frollo's lust for vengeance upon Quasimodo. This heartless flew on wings adorned with flames and blasted fire from it's mouth.