C1775 The Great War Ended
On the Dark Yin Star, most of the things that grew here were demons, but there were some special materials that were suitable for refining and medicine, or even to avoid poison. Xiang Shaoyun kept a few of these things properly, but did not ask for too much.
All these things were somewhat useful to Gui Qi and even more so useful to him. That was why he kept them.
However