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He knows it's a good sword, but he can't see the grade. He also wants to take it and watch it carefully, but he's not ashamed.

"I'll take it down and show you." Tang Yu laughed and laid the sword on the blue stone table. "Brother Niu, please see."

"OK, OK!" The old cow was so excited that he reached out trembling to pick up the huge sword. "Where did this huge sword come from?"

"It's a polar trial." Tang Yu answered.

"OK, good sword!" The old cow said.

"Er..." Tang Yu was speechless. Looking at his excitement, he thought he could say what Tao he wanted to say....