Rozšírenie Monsters of Avalon do hry Tainted Grail: Pád Avalonu prináša 20 nových miniatúr, ktoré sa dajú použiť pri guardian encounters namiesto kariet. Aby hráč mohol využiť rozšírenie na 100%, musí vlastniť aj kampane The Last Knight a Age of Legends, ktoré boli súčasťou Stretch Goals boxu.
Zoznam Guardian encounters, pri ktorých sa figúrky používajú:
- Wyrdbear (The Fall of Avalon)
- Selkie (The Fall of Avalon)
- Underbrush Wyrm (The Fall of Avalon & Age of Legends)
- Mulch Man (The Fall of Avalon)
- Bowmaiden (The Fall of Avalon)
- Knight Errant (The Fall of Avalon)
- Angry Mob (The Fall of Avalon & The Last Knight)
- Wyrdchild (The Fall of Avalon)
- Hammerbeak (The Fall of Avalon)
- Slaugh (The Fall of Avalon)
- Reclaimer (The Fall of Avalon & Age of Legends)
- Warped One (The Last Knight & Age of Legends)
- Dullahan (Age of Legends)
- Mistbearer (Age of Legends)
- Hellpig (Age of Legends)
- Wolfwalker (The Last Knight)
- Lost Knight (The Last Knight)
- Wyrmtangle (The Last Knight)
- Warped Elk (The Last Knight)
- Child of Morrigan (The Last Knight)
Rozšírenie je čisto kozmetické, neprináša žiadne nové herné mechaniky.