C216 Gentianae liver-liver and phoenix gall
The Corpse Sect had the Shaman Curses that they had learnt in the prehistoric times, as well as the secret method to refine the Corpse Sect. The Four Souls Corpse Refinement Formation was a formation set up by combining the Shaman Curses and the Corpse Refinement Secret technique.
Once a quarter of an hour had passed, the Elemental Energy would be sealed