The river that flowed from the crater was later called the Purple River, and the sect that rose near its banks took its name from it.
This incident was one of the core parts of Dadangar Subcontinent's history.
Aksai frowned slightly as he read on.
It wasn't just poison. Buried deep in a hidden cultivation cave beneath the very heart of the marshland was at least a 4th Order treasure. There was a possibility that it could be of even higher grade.
The scroll called it The Venomous Heart Flame—a rare and terrifying Spirit Flame born from a mix of corrupted Spirit essence and the ancient beast's lingering will.
This flame could devour poisons, refine Spirit materials, and was said to carry a fragment of sentient will. It had not been claimed because no cultivator had managed to survive the cave's defenses or its suffocating poisonous mist for long.
Even the Iron Mountain Sect, who once sent a special unit of elders to claim it, had failed.