C506 Overestimating Himself

"Help us try a poison." Old Master Guu went straight to the point.

Qin Feng sneered and said, "You really dare to say that!"

Back then, Medicine Emperor only asked him to test the medicine, but not to test the poison.

Now, someone suddenly asked him to test the poison. He really had the nerve to say it out loud.

Old Master Guu leaned back on the chair and said in a deep voice