Ghost-Catcher has unlimited merit points.

"Ding! Congratulations on obtaining merit points!”

"Ding!"

"Do you want to use your merit points to exchange for cultivation and weapon strengthening?”

"Yes, sir!"

"Ding!"

"Do you want to use ** merit points to activate the devour skill?”

"Yes, sir!"

"Ding! You have devoured a resentful spirit. Congratulations, you have received a displacement skill.”

"Ding! You have devoured a Water Ghost. Congratulations on obtaining a Water Riding Skill…"

Tang Mu pointed at the big fat malicious ghost that was fleeing and shouted,""Don’t run, I can still swallow another one!”