The Ogre Magi of Jade Rock

From publisher blurb: The ogre magi of Jade Rock has invited the characters to reclaim his lost home, and in turn collect valuable supplies of magical healing that will certainly be required to win the day against the corrupted forces of the city's fortified castle. This is a companion adventure to the events unfolding in Folio #16 and is compatible with 1E & 5E formats.