Comet is a young ambitious Mistwalker, a crustacean spirit animal who lives in the Aderus Caverns. In the main storyline, Comet plays a pivotal role as the Gongbat's sidekick.

During the first act, many of the Mistwalkers are abducted by Hark and his team. Luckily Siren previously had agreed to let him travel along with the Gongbat that day. He bravely becomes devoted to helping stop Hark and save his family.