“Little brother Yi. After you reached the Tempered Body, Dragon Pulse state, to break through to the Purple Blood realm, it will need a lot more energy than others. When this green elixir melts into your body, slowly refine it. Do not be overeager. Use a few months to absorb it slowly, or there might be adverse effects.” Zhang Tan’s words spoke without any reservations. To Zhang Tan, Yi Yun was no longer a student, but someone worthy as his peer.