A young adventurer from Mondstatt, known for his monstrous bad luck. He remained the only member of a group of adventurers known as the "Benny Squad". The rest of the participants left the squad after a series of failures. The squad is on the verge of disbanding. In order not to hurt the sensitive soul of the young man, Katerina keeps records of the "Benny squad" in the books of the adventurers guild and hides from Bennet that he is the last member of his squad.