C344 The more afraid you are the braver you will be

"Also, let's test the concentration of the dead aura. If the dead aura is thick, then the candle will darken, and the darker it is, the thicker the dead aura is. That way, we can find the correct place with the most dead aura."

After Gu Lvhan said this to me, I immediately understood this problem.

"Oh, so that's how it is."

I nodded my head as I walked into the huge black gas