Global Mutation: I Merge with the Stone Statue to Become Invincible

[Decisive Killing + Not the Holy Mother + Infinite Refreshment + Villain] Two hours before the rebirth of the world before the mutation, in order to be invincible, find the strongest existence after the mutation of the world - the Nine Dragons Demon God. He tried his best to merge with the Nine Dragon Demon God, and swallowed the Nine Dragon Demon God's soul to achieve supreme energy! In my previous life, I was a guinea pig, ready to be slaughtered by others! In this life, I am the strongest demon god, dominating the world! Pay me back everything you owe me!