Weird Recovery: I Am Invincible After Merging with the Underworld

Awakening the underworld system, can you upgrade by catching ghosts? "Ahead is the newly discovered No. 073 Fierce Ghost Habitat. Ordinary people are not allowed to enter!" Ghost energy permeates the air, Yin energy 1, 3, 5... Chen Mo's eyes suddenly lit up: "Hello, is this paradise?" Ding! Crazy ghost-level painted-skin female ghost, reward: a hundred years of Yin Qi. Bite! Kill the peerless ghost king, reward: promotion to City God. Bite! Conquer unsolvable level ghosts and gods, reward: Yin Tianzi Sword. Since then... "Is there really an underworld in this world?" "You may not believe it when I tell you, but I saw Yin soldiers taking advantage of it today." "The world is purgatory, and the underworld is your destination!" It was originally a world of scheming people, because of the appearance of Chen Mo. "Brother, stop chasing me, please let me go!" … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.