Mummy Lord's Pyramid

From publisher blurb: Mummy Lord's Pyramid is a Fifth Edition plug-in adventure for four characters with an average party level (APL) of 11, 14, 17, or 20. This addon offers details for each level and makes adjustments accordingly. The adventure sees the party enter the pyramid of a dangerous and demented mummy lord, whose dark magic and vile curses may present the greatest challenge the characters have ever faced.