He used to work alongside Arechia in the castle as an inventor. However, when the King ordered him to create a machine that would kill monsters quickly Rene refused, he was banished from the castle. Rene felt like he had been betrayed, and decided that he wouldn't trust another king's word ever again. However, when Exa and Lakshri come look for Rene themselves, he apologizes for his actions and goes back to the castle.