Over his decades-long career cultivating Spirit Plants, Lu Xuan had quite a favorable impression of Sword Grass.
The Light Orb rewards produced by every stalk of Sword Grass ranked among the upper tier among Spirit Plants of the same grade, and among them were even rare Treasures like the Profound Understanding Sword Heart and the Peacock King Ming Sword.
In addition, while cultivating Sword Grass, he could also refine his sword arts and improve his cultivation in the way of the sword, killing several birds with one stone.
As for how to induce and improve Sword Grass, he already had a rough direction in mind.
The first was to rely on that mysterious Yangxuan Sword Sheath. Although the sword sheath had currently thrown its harem wide open and swapped in a new Flying Sword to experience every so often, as long as he placed a Sword Grass Spirit Seed inside it, then nourished it with the corresponding Sword Qi for several months, there was a high chance he could obtain a Mutated Spirit Seed.
The other method was to make use of the lightning gleams that were everywhere in the Thunder Fire Star Cave and see if they could stimulate a new variety of Sword Grass.
He gazed at the many Sword Grass plants that were about to mature and thought to himself in secret.
While he was cultivating the other two Fourth Grade Sword Peacocks and Azure Lotus Sword Grass, a familiar voice came from outside the Cave Mansion.
"Is Daoist Lu in his Cave Mansion?"
The voice was brief and forceful. It was none other than Lei Zheng, who had previously entered the Medicine Garden together with him, and Lu Xuan had quite a good impression of him.
"Thunder Fellow Daoist, it has been a long time. What