Heavenly Demon of the Ultimate Way.

Summary

Lu Sheng discovers a crystal that continuously releases pure magic yuan, which is denser than refined magic energy. He realizes it could enhance his power significantly. Despite his strength, he feels the need for a lethal secret technique after a recent battle. He contemplates creating his own martial arts moves, drawing inspiration from external techniques. Ultimately, he decides on the "Seven-Day Heaven-Changing Blade," a powerful technique that combines speed and strength. Using a visualization of a galaxy explosion, he modifies the technique to create a new deadly move, integrating his demon body secret arts into the process.

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