- First major D&D adventure book within Critical Role's world of Exandria, taking players from levels 3-12
- Multi-continental story that spans the scarred Wastes of Xhorhas, introduces the continent of Marquet, and eventually plunges players into the Netherdeep-a terrifying cross between the Far Realm and the deep ocean
- Bursting with all new art depicting Exandria
- Includes a poster map of Ank'Harel
- Adds magic items, creatures, and introduces rival NPCs