Tomb of Diderius

Diviner's tomb in the Serpent Hills, with a Yuan-ti warren beneath.

Map as explored

1. Plaza — ruined buildings, extraplanar relief carvings, two speaking warning statues, fountain, 7 cultist graves (Session 4).
2. Statue hall — 6 cowled wizard statues; Wis-save addling (Session 4).
3. Mosaic chamber — 3 floor mosaics (chimera animated; sun mosaic hides transmutation plate) (Session 4, Session 5).
4. Well room ("SAFE") — red mushrooms, fast-evaporating water, basin lever → sluice to pool (Session 5).
5. North copper doors — cave-in; dirt refills (Session 5).
6. East hall — rolling bone boulder trap.
7. Sarcophagus room — Mystryl's humility gesture.
8. Library — ghost, no books.
9. Throne room — 12-ft toga'd giant on cloud throne; tribute pile.
10. Room of irritated people — 5 halberdiers.
11. Pool room — divination pool, dead cultist, Merrshaulk arrows.
12. Bedroom — creatures, chest, Netherese books (Session 6).
13. Resting place — Diderius speaks; boon scrolls; secret door to lizardfolk (Session 6).
14. Bridge — 40 ft down; slippery (Session 6, Session 8).
15. Yuan-ti warren — armor room, latrine, dart hall, snake pit, final hall with Varram (Session 7, Session 8).