The product of the egg the Tri Command was hatching. It also ate all of the Tri Command. A huge black wolf monster which looks similar to Aki's soul form. His first word is Aki's name. It was revealed in the last chapter of Second Stage that Bellze is a figure from Aki's past. Bellze was once a human Soulhunter and he took the souls of Aki's parents. He used the monster souls he collected and performed the secret technique of race change that turned to an egg form. With the souls the Tri Command collected Souleater Bellze emerged from the egg.