C6051 The Stone of Heavenly Mystery

"What? You can even temper weapons? "

When Ling heard this, she couldn't help but exclaim. She stared at Tang Yu as if she was looking at a monster. "Is what you said true? If that's the case... you are also a Artifact Refining Master?"

"Yes, I am still a Artifact Refining Master. But it has been a long time since I refined a weapon. I wonder if my technique is rusty