What things and steps are needed to recast Yin Jian, the world's 60-level battlefield weapon?

Go to the sect headquarters in Jiuli or Xiling to find a merchant with a reputation of 60PVP, buy a dry fire, and then go to Liu Yao Gankun Furnace or Nuwa Palace in Xiling to get a real fire and put the weapons in it. If you want to keep your weapon refined, you should put a real one in it. If the weapon is drilled before refining, he will prompt you whether to keep the armor value of 12 gold and 8 diamonds of armor 90.