Tomb of the Phoenix

From publisher blurb: Tomb of the Phoenix: The Tomb of the Pheonix’s underlying story is of a fire cult dedicated to guarding a great treasure, the egg of a phoenix. Their true temple is hidden away on the elemental planes. The shrine acts as a planar gate. Tomb of the Phoenix is a drop-in adventure for your campaign or next one-shot. Designed for a group of 4-5 players with low to mid-level characters.