Prophecies of Dunbar: The Last Saints

You stab Yenbow in the gut and return to Gebassa before anyone takes note of his death.

"I must say," Gebassa seems amazed that someone would go as far as you just did to help her, "that you did that. I proclaim you Priest of Aratics. The very first. The Last Saints have been defeated, and Aratics shall triumph.

The story ends here. You defeated the Saints, and shaped the Prophecy of the Last Saints.