Now there is one more thing to do, refining medicine, without the medicine cauldron.

"Master Long, what should we do next?" Ye Yuxi looked at Long Xiaopang, the meaning was obvious, the medicine cauldron had already been refined, so it was impossible to continue refining medicine.

Long Xiaopang rubbed his nose: "So-so, now try punching the tree over there."

Ye Yuxi followed what Long Xiaopang said, walked to an ancient tree, wrapped her palm with spiritual power, and punched out.

Crack, rumble!

The old tree that was as thick as one person broke down.

"Punch again, with the same force, but don't break the tree!" Long Xiaopang said again.

After listening to Long Xiaopang's words, Ye Yuxi nodded and looked for an ancient tree again.

Taking a deep breath, Ye Yuxi concentrated, injected spiritual power into the palm of his hand, and punched out.

Click!

The ancient tree snapped.

"Come again." Long Xiaopang stood not far away, as if he had anticipated the current result, without any expression on his face.

Ye Yuxi's face was a little dignified, the punch just now was no different from the previous punch!

Several punches in succession, Ye Yuxi had already broken several trees, but still failed to achieve the effect Long Xiaopang said.

"Master Long, what do you mean when you say the same strength, don't break the tree." Ye Yuxi tried several times, but still couldn't figure it out.

Long Xiaopang shook his head, and explained helplessly: "Have you heard of spiritual power?"

Mental strength?

Ye Yuxi knew this word, but obviously what Long Xiaopang said about spiritual power was different from what he understood, so he shook his head and said, "What is that? It's also a kind of spiritual power?"

Long Xiaopang flicked his hands indiscriminately: "Spiritual power is... well, a kind of power other than spiritual power, which can control spiritual power. Ordinary spiritual beings can comprehend spiritual power when they reach the eighth level of spiritual power. You... your foundation is still good, as for whether you can comprehend spiritual power, it depends on your comprehension."

Something that can only be comprehended by a spirit person above the eighth level?

Ye Yuxi thought back for a while, when she advanced to the eighth rank of Spirit Master with the help of the medicinal power of the Seven Star Jade Dragon Ginseng, she didn't feel any extra power.

"After comprehending spiritual power, is there any difference in the use of spiritual power?" Ye Yuxi asked, since Long Xiaopang kept letting himself hit trees for experiments, it must be that this spiritual power will change the spiritual power a little.

"An Jin, destroy the enemy from the inside, and there is no scar on the outside." After Long Xiaopang briefly explained the performance of his mental power, he went for a walk alone.

Ye Yuxi stayed where she was, thinking constantly, experimenting with the effect Long Xiaopang said.

Gradually, Ye Yuxi had a little realization that her spiritual power would be scattered! If you want to destroy the opponent's inside, you can't have scars on the surface, which means that you can try to condense your spiritual power into a ball! Then penetrate into the opponent's body.

Ye Yuxi grasped the point and began to experiment.

Boom, with a punch, Ye Yuxi frowned. After half a day of refining and experimenting, the spiritual power in her body was running low.

Looking up at the sky again, it is estimated that it will be dark in a while.

It seems that we can only practice tomorrow.

Ye Yuxi greeted Fatty and the others, saying that she didn't eat dinner, and found a place where no one was around and went straight into the chaotic space.

"Master, I see that you haven't eaten. Would you like to eat some green spiritual grass, it's good for your health..." Huo Ling took a handful of herbs in one hand and held it to Ye Yuxi.