D&D - War of the Planes
This character has a lengthy history, but a thousand years have passed since his books took place. The world has changed and he is in his final years. He still fights for justice in the lands and has taken on the role to hunt down the murders in Tethys.
He follows our adventurers trying to stop their wicked ways. After following them for many months, the trails leave strange tales. Not ones of murderers, but rather ones by heroes. Doubts start to fly through his mind.
He finally confronts the group on the ancient land of Chult. This is were he sees their self sacrificing deeds are noticed first hand. It is at this point he knows something is amiss.
After speaking with the group, he decides to ally himself with them and even goes forth to challenge a captain or Tethys’s army to back down. He tells the group not to worry. He will spread word of their good deeds so that every will know back home.