Quote Originally Posted by Maxx Power
Let me try and explain as I understood it (and from just watching the pre-fight dialogue again).

When the Emperor died, he split into two halves. His "Light" side went to Arubboth (the opposite of Pandemonium) and his "Dark" side went to Pandemonium. From what I can tell his Light side didn't gain any powers, and somehow needed the others to forgive him and allow them eternal life in paradise. Obviously from the cut-scene the original warriors were still fighting but not winning. So I guess that both sides had to be defeated for the Emperor to be killed properly, and that the "Light" side was just rusing the others in an attempt to carry on his master plan. Or something like that. Come to think of it it's never really explained at all.
Yeah, that's the way I see it also