C98 Endangered

Not long later, Tang Jide's bodyguard came back with a test tube full of dilute hydrochloric acid.

Elder Yu, who had the same face as Yang Xuan, was on guard. He wiped off the remaining stains on the black iron and slowly poured the diluted hydrochloric acid from the test tube onto the rusted black iron body.

The black iron made sizzling sounds in the water, but it did not corrode his body