Lets combine mineral pyrolusite and hydrochloric acid.
Oh no it made Chlorine!
Hi, I am chlorine the villain.
My power comes from my harmful gasses! My harmful gasses spit out of my hands and can burn anyone in sight!
My Physical Properties: I am a Yellowish greenish gas, I am at room temperature and atmospheric pressure, I am two and a half times heavier than air, and I become a liquid at -29 F. I am a gas and a nonmetal.
My Chemical Properties: Melting Point: -101 F, Boiling point: -34.6 C, Density: 3.214 g/l, Freezing point,-150.7 F