C768 Success

Ten thousand meters in the sky, Ren Feng was engrossed in his research. In the blink of an eye, more than a month had passed. Ren Feng had finally finished absorbing the Pure Yang Astral Array.

With Ren Feng's talent, he still needed a month's time. It was obvious how complex and profound the Pure Yang Astral Heaven Formation was.

It seemed like there was a lot of time, but in reality