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

[Sacrifice a drop of blood for use.]

Jiang He stared at the batch of data for quite a while, seething, "Oh, System, System, you really are such a genius at naming… Nameless Sword? Nameless Sword!? You can't think of a better name, can you?"

That said, after thinking about it for a while…

Nameless Sword, Nameless Sword… it was quite awesome.

With that, he sacrificed a drop of blood.

Still, his eyes lit up after he fully refined the Nameless Sword and familiarized himself with its abilities.

The flying sword possessed the earth-attribute, meaning that he definitely could cast the Sword Array of Five Elements and Six Pulses of the Nameless Sword array.

Be that as it may, he was left a little hesitant after his initial delight.

This black sword which no light could escape from is actually earth-type?

Superior Sage Weapon: Bluewood Sword