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

Zhong Wanshan was incredibly powerful.

It had been a hundred years since he had reached Convergence-tier, and while he had yet to reach Convergence-intermediate, he was not far from it. Moreover, he was a sword cultivator whose combat strength was no weaker than Convergence-intermediate.

Jiang He responded then and retaliated with the Ice and Fire Duality Sword Array.

The skies shook with the hum of swords.

Jiang He's Ice and Fire Duality Sword Array was shattered and his two new sage-class flying swords were sent flying too, though Zhong Wanshan's own Ice and Fire Duality Sword Array crumbled as well.

Extending his hand to beckon and retrieve both flying swords, a hunch occurred to Jiang He then…

Though both attacks were Ice and Fire Duality Sword Arrays, his was a little stronger.

Five Thunder Talisman, Five Thunderbolts Striking from Above!