I agree, it was a big, FUCK YOU of sorts to him, despite his virtue, his faith... He was still betrayed by his Gods by evil plying its craft onto him. You do know that many of us Gods favor fallen warriors, and one of your potency would be 'handsomely' rewarded if you were to join the winning team, so to speak.
Yeah, atone for your sins, and when you're reinstate them, become our initiate, walk out pass, its your true calling! Think of all the Power you could wield... Ah you have to do is, simply humor them for a time, and return much later for your revenge...
Oh, look at me, a chatter box as always... Haha, well, I'll let you think about it, you'll know how to reach me.