C411 The Birth of the Spirit Artifact Recognizing Its Master with a Drop of Blood Its Power Increase

A muffled thunder rumbled in the dark clouds. Suddenly, a bolt of lightning ruthlessly struck the Shattering Void Blade that was being upgraded in midair.

"Bam!"

A huge muffled sound immediately rang out.

At this moment, all the Cultivators in the entire Steelopolis were alarmed. They all jumped onto the roof and looked in the direction of the sound