C503 Trouble

Oh, yeah. Creak ~

As the leaf fell, Jin Buhuan pushed open the copper door and entered the Burning Sky Qi Refining Tower. He looked around and found that the interior of the tower was filled with grey colour.

These copper doors should be a special kind of material. Apart from resisting the heat of the Heavenly Flame, they could also trap heat. Therefore, as soon as he entered the tower