C449 Twelfth form?

"Limitless Sword Arts, Broken Sword Flow, ninth form, Heaven Defying Sword." Lin Feng took a step forward, and in the next moment, he was sent flying backwards.

The reason was that just now, when he had swung his sword, Xia Wan'er had also swung her sword. The moment the two swords clashed, Lin Feng felt a massive force strike against his own sword