Grey Mage: Protector - Tournament of Mages, #5

He's called the protector for a reason. .it's just not the reason everyone thinks. Asleth, the Grey Mage, has been instrumental in helping the blood mage, the necromancer, and the green thumb, but why? When did he decide to take on the responsibility of keeping the mages safe and together? Or, was that decision made for him?