The Emperor is dead, long live the King

Blake Is the emperor of the solar system and the secret king of the dead.

What if he was revealed as a dead man, a grim reaper is basically as good as a dead man he would find his secret life as a dead man a betrayal to his people. How would they react to their false king?

And how long will the hapless new Emperor the Masked Chicken survive his job without the help of the man now seen as the pretender to the Empire?