C445 Substitution of Herbs

When Tang Yu saw that the cat had actually run into his alchemy room, he recalled what the wild wolf had said and coldly said, "Why did you let it in? Quickly throw it out."

Medicine Devil was stunned when he heard that and said, "Uh, it's just a cat. Is there a problem?"

Tang Yu said coldly, "Refining pills is a very exhausting thing. If this cat is disturbed, the pills will be destroyed