C92 Creating the Nine Hammer Eighteen Grind

Loong Zitian took out the secret weapon forging manual and Jin Buhuan and started to study them. Sure enough, it wasn't a loss for a family of weapons forging. Jin Buhuan solved all of Loong Zitian's questions with a few simple words.

Jin Buhuan said carefully, "The most important three points of refining are the first use, the second use of qi, and the third use of heart