C667 Large hole

"What's going on?!" I subconsciously covered my nose as I nervously looked at the Heavenly Passage Ring and asked, "This can't be poisonous gas, right?"

"Bullshit gas!" Old man Zuo did not cover his nose. He sniffed the air and said with a puzzled face, "This is the blood of a living person. It smells even worse than the blood flowing out of his veins