The Heroes Track Down The Cult Of The Forgotten Pharaoh To Its Secret Headquarters Inside A Giant Sphinx Statue In The Osirian Desert, Facing Scorpion-Men Mercenaries And Areshkagal-Worshiping Maftets Before A Final Confrontation With Masked Cultists And Their Leader, The Forgotten Pharaoh, Who Has Been Possessed By A Fragment Of Hakotep Is Soul! Continuing The Mummy`S Mask Adventure Path, Secrets Of The Sphinx Is A Pathfinder Roleplaying Game Adventure For 10Th-Level Characters.