This section presents new monsters and nonplayer characters introduced in Infernal Machine Rebuild, as well as stat blocks from the Monster Manual, Volo’s Guide to Monsters, Mordenkainen’s Tome of Foes, and other books.
- Barbatos
- “The Demogorgon”
- Lynx Creatlach
- Sir Ursas
- Master Thief
- Moghadam
- Sir Ursas
- Thessalar
- Neo-Otyugh
- Thessalheart Construct
- Thessalhydra
- Thessalkraken
- Two-Headed Crocodile
- Two-Headed Owlbear