Amur

He is an Orphan boy from sanctuary that is a place behind the event horizon. He and his team wanted to escape the place. His team helped Cal in there.

After his escape, he currently works at Zemon's shop. He has an ability of potential. He improves any entity in the universe. Thus he can act as a healer as well.

He also helped a team of heroes in the quest to deliver the ancient object to the capital.