From publisher blurb: Wyvern Motes is a Fifth Edition plug-in adventure for four characters with an average party level (APL) of 8, 11, 14, or 17. This document offers details for each level and makes adjustments accordingly. Deadly wyverns circle the flying rock motes around a ruined castle in the sky. Characters exploring the motes discover dangerous foes as well as vast richess protected by the draconic creatures.