Opening the coffin in The Secret of Al-Ahmar questline in Genshin Impact requires you to locate and release four Primal Embers.
Lighting the Pyro Totems in the correct order will help you complete this puzzle, and unlock a fast travel waypoint.
As a part of the “Lost in the Sands” quest, you are tasked with exploring more of the ruins to obtain the Scarlet Sand Slate.
Finish the World Quest by completing this sub-quest.
