>>536184929
He already crossed the Rubicon, he's in Phobos armor when he gets stabbed in the back, you can tell by the pauldrons.
Anyway my theory is we're seeing one of the alternate paths, that and he got shanked by a Chronomancer so who fucking knows. Usually putting the banner over his eyes signalizes death, the pyre is just formalities at that point. If that's what it was