The Emperor of Mankind
(Warhammer 40,000)
vs.
The Sacred Ancestor
(Vampire Hunter D)
The immortal monarch of the Imperium of Man declares war on the ancient ruler of the Nobility. Their duel will be on Mars. The Emperor is fighting in his prime.
Who wins?
BONUS: How'd the Vampire Hunter D universe fare if it joined the existential nightmare that is Warhammer 40K?