For two more hours, the two of them kept working on cleansing the melted mix. Kong was indeed much faster than William, as he was supported with his higher spirit power.
His Silver-grade cultivation acted as a vast reservoir, allowing him to bypass the exhaustion that plagued William's Bronze-grade body.
He didn't need to rest after each cleansing and could jump from one unrefined lump to another without rest for five times in a row. Under his frantic and efficient movements, the piles of purified blue-black alloy grew at a staggering rate.
But soon, something huge happened.
Rumble! Rumble! Rumble!
All of a sudden, the ground shook in an obvious way. It wasn't just a tremor; it was a rhythmic, bone-jarring vibration that made the water in the basins splash onto the stone floor. Distant explosive sounds started to appear from the direction of the outer walls—muffled thuds and high-pitched screeches that tore through the air.
