There is a certain peacefulness in being trapped and forgotten. One can neither move forward nor back and so they can pretend that certain troubles do not exist. Like this war. And the unreasonable expectation that his death would end it.
With Keenin’s new power to control fire, everyone wants him on their side. A holy knight wants to train him, an enemy army wants to capture him, fate wants to make him the hero, and the death god wants him dead.