Having given Orochimaru the first part of the cultivation method, Ye Feng naturally did not want him getting any bad ideas, so he said:
"Focus on cultivating the first part. Once you can break through the Body Tempering Period, I'll give you the second part and the method for refining a flying sword."
Giving someone a hope within reach would keep them from developing dangerous ideas. Ye Feng understood this principle well, so naturally, he would give Orochimaru such a hope.
Seeing Orochimaru's excited expression, Ye Feng knew he wanted nothing more than to start cultivating immediately. He stopped disturbing him, said goodbye, and prepared to leave.
But Orochimaru suddenly snapped out of his excitement, seemingly remembering something, and said to Ye Feng:
"I went to Ryūchi Cave this time. The natural energy there felt very dense, but it was somewhat different from the natural energy I'm cultivating with now. It was just a feeling. I couldn't tell what was different."
Ye Feng looked puzzled at this and thought, There are differences in natural energy? Could there be many varieties? Hmm? Could it be...
Something occurred to Ye Feng, and he immediately said to Orochimaru:
"Can you get some natural energy from Ryūchi Cave? I want to confirm something."
Orochimaru considered it for a moment before saying:
"I can summon Manda. He should carry some of Ryūchi Cave's natural energy."
Seeing that Orochimaru had a way, Ye Feng wanted to test it immediately. This concerned his future cultivation.
Ye Feng formed a hand seal, and the Kusanagi Sword rapidly shrank and vanished in front of him.
Orochimaru was astonished. He peered around and felt about in front of Ye Feng, seemingly trying to find where the Kusanagi Sword had gone.
Seeing this, Ye Feng said:
"Stop looking. I've refined the