I Merged with the Strongest Monster at the Beginning, and I Became the Villain

[It's a bit depressing in the early stage, so enter the trap with caution] [No system + no pressure + semi-invincible] Food is depleted and demons are rampant. The blood priest merged with the demon and became one. Mo Yan made a desperate move to fuse the Nine Jue Demons. Obtain nine forms. The karmic fire that burns the sky, the blazing flames burns the body and is impervious to all poisons! Everything is in ruins, and eternal darkness swallows everything! Yin and yang chaos, chaos returns to the source and is transformed into two forms! The endless void... The law of heaven is impermanent... After going through all kinds of difficulties and unlocking them all, can you still continue to integrate? "Eat my family, kill my whole family! Devil, pay with your life!" Mo Yan never thought that he would become the target of criticism...