Weird Recovery: My Brain Was Eaten by a Monster

[No system + not scary + slightly brain-burning + huge world view + slow to warm up] Zhang Lingyang's brain was eaten by a monster. Now, he is a thinking, walking corpse. The corpse stains are spreading, the army is outside the door, and the strange things in the mind are screaming with hunger. The only way to survive: Devour! Devour strange things to gain strength, and devour enemies to increase your lifespan! From today on, he is a natural disaster walking in the world, the end of all weirdness. "I lost everything, but now, I can eat anything."