章 155: Thousand Tempering Hundred Refining

Having left Ding Lingdang's house, Li Yao, at a lightning fast speed, rushed right away to the floating mountain of the Combat Department and immediately dived into the Super Perception Cabin.

"Entering the super perceptive state, brain cell activity, 331%, limit reached!"

In the blink of an eye, Li Yao's consciousness had appeared in the depths of the Heavenly Refining Tower.

Li Yao didn't hesitate for even one second and rushed straight away to the southeast corner.

Where there were two rows of bookshelves, stacked inside of which were methods for tempering the body.

During the ancient cultivators' world, the refining environment was extremely harsh; the furnaces weren't sealed well enough, and at any moment, it was quite possible that hot gases with temperatures as high as a couple of thousand degrees or extremely corrosive gases and molten ingredients would leak out.