C1303 The Secret of the Vein(last Part)

"Alright, I swear it." Wu Tie nodded his head and used a drop of the Blood Origin's power to swear by Spiritual Master Xiu's method. If Lei Potian didn't lie to him, then he wouldn't kill him. If he did, then he would lose a large realm. If she lied to him, then it would be no wonder that he was merciless.

Seeing Lin Yu swear such a vicious oath