C169 Protective array

"Devour?" I repeated, puzzled, not knowing what to do.

Ji Nan looked at me with a complicated expression. He opened his mouth and said, "It should have a similar effect to your blood. Being able to turn a ghost into ashes is the best magic treasure to kill a ghost.

When I heard this, I subconsciously distanced myself from Ji Nan. I originally thought that only a few people knew of this secret