C3982 Thunder Seal!

Crackle.

The entire right arm of Gu Xuan started from his palm, and the lightning spread out. With a speed that could be seen with the naked eye, it climbed up Gu Xuan's right shoulder.

Wherever it went, Gu Xuan's flesh and blood seemed to be roasted and carbonized by the lightning. Not only did it turn black, it also emitted a fragrance... Oh no, a burnt smell