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"There are ten Common Grade Great Rejuvenation Pills here, nine of which contain Fire Poison. If you can identify the one without Fire Poison within the time it takes for a stick of incense to burn, I will consider you to have passed!"

Xiao Yifeng glanced over all the pills. Some low-quality Waste Pills with Fire Poison would show black spots on the surface, but at the moment, just by looking, he couldn't detect anything unusual.

He calmed himself, realizing that this was a trap set by the senior behind Li Qingran.