一级理论和二级理论的区别

Luosang stood with his sword in hand, holding the Tianjue Battle Sword in his hand, and said to the other party, this sword of mine is called the Tianjue Battle Sword. It is made from the essence of Tianjue. The essence of Tianjue no longer exists in this world. Therefore, this is the last heavenly sword. You have to be careful....