"Six grades!"

When Xu Feng's breath reaches a certain level, Liu Qianru looks at Xu Feng slowly and says with envy in her eyes. Jumping from four grades to six grades is the terror of xuanlei in heaven and earth, and it is obvious that this is not the limit. Because in Xu Feng's hand, there is still half of Xuan Lei has not been thoroughly refined.

Liu Qianru knows very well that all the mysterious things she gets can make her upgrade two grades. The Lei Xuanwu that Xu Feng gets can help Xu Feng upgrade two grades. It's just a small idea. Moreover, Xu Feng is still a non-profit four grade Xuan, it is easier to upgrade.

As Liu Qianru guessed, Xu Feng's breath is still rising. Under this kind of promotion, purple thunder still devours xuanlei crazily. In the process of swallowing faster and faster, xuanlei doesn't persist for a long time. After an hour, xuanlei is finally completely swallowed by purple thunder. At the same time, Xu Feng's breath also changes from grade six to grade six.

Liu Qianru was very surprised to feel that Xu Feng was only staying at the top of the sixth grade. In her opinion, it is easy to refine xuanlei with Xu Feng's strength of four grades and improve the third and fourth grades. But this Xuan Lei, for Xu Feng's help, but not their fire, water things on their effect.

But when Liu Qianru noticed the purple light on Xu Feng's body, she had some understanding in her heart: I'm afraid the purple thunder also absorbed a lot of dark thunder, which led to the help to Xu Feng was not as great as expected.

In Liu Qianru's gaze, the thunder and lightning in Xu Feng's palm suddenly darts into Xu Feng's body. Then Liu Qianru hears a crack. The sound doesn't hurt Xu Feng. At this moment, Xu Feng's body is tempered by purple thunder every time. In this way, the strength contained in Xu Feng's body is also refined Come on. Into the power controlled by Xu Feng, Xu Feng originally stayed at the top of the sixth grade, and then rose to the seventh grade.

After all this, purple thunder appears again on Xu Feng's forehead. Purple thunder twinkles constantly on Xu Feng's forehead, just like a rose, extremely weird. Compared with the past, just by feeling, we can feel that purple thunder is more than several times stronger than before.

"This purple thunder also needs to evolve?" Xu Feng's heart more than a glimmer of enlightenment.

From the situation of these times, every time after swallowing thunder and lightning, purple thunder will become stronger, which only shows that purple thunder is in evolution. And every time it gets stronger, the purple thunder can swallow more powerful thunder and lightning.

Xu Feng suddenly felt that the stronger the purple thunder, the stronger the ability to devour xuanlei. At least, Xu Feng thinks that if the current intensity of purple thunder to swallow green rock Xuan thunder, he will not be hurt.

"What a wonderful thing. What kind of purple thunder is this?" Xu Feng murmured from the bottom of his heart.

Xu Feng took a deep breath, his mind sank into his body and felt the torrent of strength. He felt that he could not react. Although he knew xuanlei's terror, he still felt suffocated when he was so scared.

From the peak of the fourth grade to the seventh grade, it is against the weather.

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