C741 Immortal Artifact Nethersky Sword

"Man, that's a hefty drain on resources!" Su Lang exclaimed.

"If I were to upgrade all of my Nethersky Swords to elementary immortal artifacts, it would take over a thousand Souls of Martial Saints and more than two thousand Souls of Martial Gods."

"The real issue is that I'm running low on Souls of Martial Saints, and I still need to craft some super humanoid weapons."

"Right now