Sir Pythias the Radiant

The Necropolis
If you try to talk to him before you finish the pre-requisite quests, he will reply:
 * Sir Pythias the Radiant: It's remarkable we've been able to work with the Blood of Vol side by side for so long.

After you complete the four tombs surrounding the Cursed Crypt, he will reply:
 * Sir Pythias the Radiant: ????????????????

Talking to him after acquiring the quest, but before completion, will make he say:
 * Sir Pythias the Radiant: ????????????????

On completion of quest, he will congratulate you with the following:
 * Sir Pythias the Radiant: ????????????????

After completing the quest and taking the reward, if you talk to him again, he will reply:
 * Sir Pythias the Radiant: ????????????????