He interacts quite a lot with Qiu Jin and has customized many spiritual weapons and spirit armors from him, so he knows quite a bit about spiritual weapons.
The long blade before him indeed bears runes, and because of the runes, it becomes harder and sharper, but there is still a gap from being a true spiritual weapon.
"Although it's not quite a spiritual weapon yet, it's still a considerable progress!" Yang Zhenshan remarked approvingly to the two.
Like alchemy, the first step is the hardest, but once it's taken, the rest is much easier.
Moreover, artifact refining is different from alchemy; compared to alchemy, artifact refining is easier, especially for lower-grade spiritual weapons, whose difficulty is far less than alchemy.
This can be seen from the small workshops outside; every small workshop has an artifact refining workshop, but not necessarily an alchemy workshop.
The number of loose artifact refiners far exceeds that of loose alchemists.
