In the first night of receiving the spirit stones, Yu Tian managed to get his fire, water, and metal elements to the third layer. Wood and earth were still in the fifth layer though, as the later stages were much harder to advance.
During the day, he read manuals as he instructed Xueling for five hours, then practiced the mind for the rest of the day.
On this day, he finally analyzed the high grade manuals.
With his level two mind, it didn't take that much time. One was a sword method and the other was a body strengthening method. The sword method wasn't that interesting but still taught him quite a bit about the body. For the body strengthening method, he picked up ways to strengthen the body through qi enhancement, learning much more about the body.
He didn't make a technique from this - after all, it was just qi circulation.
It just gave him the knowledge he needed to begin strengthening his body using the Path to Heaven method whenever he wanted.