Devourer of Worlds Death System

So what happens when a person with 0 moral nature get a chance to be overpowered.
He don’t have responsibility, he killed his parents.
Neither does have love, they are just human shaped meat bag for him.
It’s a story filled with Death, Destruction and Selfishness.
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He will do what ever he can to achieve his goal, to not be weak. No mater the result, no matter the cost he shall pay them if he can achieve his goal. While he may help others when he can, he will also kick another down if this means he will survive.
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Tags - Anime/Books/Movie Crossover, Ruthless Mc, Selfish Mc, Intelligent Mc, Ai, System.
Crossover-
Harry Potter
Naruto
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