C684 The Huge Golden Sword

While Lin Muyun was focusing on his breakthrough, the white fog surrounding his body had turned into a pale golden color.

The fog surrounded him as if it had a life of its own, circling around him.

And Lin Muyun's breakthrough had already reached the most critical moment.

The Golden Core in his dantian was like a dragon sucking water, crazily absorbing the spirit energy within his body