C1512 Dragging the Devil to Transcend Tribulation Together

There was no Demon Lord in the Yellow Springs. The Nether Sovereign and the Nether Monarch had actually gone missing, and no one dared to enter the netherworld spring. This was because it was a terrifying devil cave that connected to an unlimited Dark Void.

Back then, when Nether Sovereign and the Nether Monarch fought over the Demon Lord's position in the void of the Yellow Springs