>>722990634
If you do his missions at the right time, he will survive his pilgrimage up to the Citadel, where you have to save him one last time, but after being taken back to Pharloom he'll spend the rest of the game in a lethargic, almost catatonic state due to having his faith shattered from seeing what his exemplars really are and what they do with lesser beings like himself.

And no he doesn't sing anymore.