Jiang He might have transmigrated to a world of Qi and martial arts, but the System that he got only provided him with... seeds. 
"Hold on, System. Aren't these just... peas? Not only are they inedible, but I'm supposed to throw them far, far away?" 

Everybody is Kung Fu Fighting, While I Started a Farm

The Nine Dragon God Fire Shroud was an innate soul treasure!

Jiang He mused to himself for seconds before saying, "To tell the truth, Brother Tai Yi… I have not planted—I mean, crafted innate soul treasures thus far, and I'm not that confident in upgrading your Nine Dragon God Fire Shroud."

"No matter. You may take it for a spin!"

The True Habitant of Tai Yi simply threw the Nine Dragon God Fire Shroud.

With that, all the other Demi-Saints who were aware that Jiang He had the ability to strengthen mystic treasures quickly took out their innate soul treasures or acquired soul treasures, and pushed them all to Jiang He.

Alternate Universes