Capítulo 609: Chapter 607: 'Spectrum Sword Sutra'_1

"It's a pity that I have already left the Sky Sword Sect. Otherwise, I could submit this newly discovered method of condensing spirit seeds from third-grade sword grass for a substantial reward," Lu Xuan suddenly thought, feeling an inexplicable longing for his days of peaceful farming at the Sky Sword Sect.

"However, lightning attribute sword grass should be a good development direction."

"If I can search for various Spirit Thunder and Divine Thunders in the Thunder Fire Asterism Cave to nourish and stimulate the sword grass spirit seeds, I might be able to establish a stable improvement route."

He contemplated secretly in his heart.