บท 363: Chapter 209 Heaven and Earth Laws, The Eccentric Martial Arts_2

"No, it can also be used in artifact refining, such as the crafting of storage bags, storage rings, etc., and apart from the materials, the laws of heaven and earth can also be leveraged.

"However, utilizing the laws of heaven and earth is advanced, how can they be incorporated and even be useful at a low cultivation level?"

The more Li Xuan deliberated, the more he felt a headache. Artifact refining, if not merged with the formation, seemed not powerful enough; and if merged with the formation system, however, the two seemed not of the same class.

After pondering for a long time without any clue, Li Xuan sighed inwardly and shifted his attention to the Book of Tai Cang and flipped to the second page.

He decided to memorize all the patterns in the Book of Tai Cang.