peter zero. [hazbin hotel ben10 castlevania]

at ten peter hernandez found his family members dead before a vampire when he return from elementary, he send by alucard to the tennyson family, five years later he goes to a summer camp vacation till an watch like object appeared and latch on his wrist, now gaining the powers of fifteen entities he summon, the object shown to be a family heirloom to fight true evil. so why not fight crime with it