| 1 | A pocket of 'Choke-Damp' gas that extinguishes non-magical lights. |
| 2 | A swarm of 'Iron-Eater' beetles that target the party's armor. |
| 3 | A group of Dal-Dur 'Shield-Bearers' on a training exercise. |
| 4 | A flooded tunnel filled with bioluminescent 'Aether-Fish'. |
| 5 | A 'Lithovore Behemoth'—a massive creature that eats stone and defecates gems. |
| 6 | A 'Sealed-Vault' from the Sunken Empire containing hydro-aetheric traps. |
| 7 | A 'Subterranean-Squall'—a rush of wind that smells like ozone and damp earth. |
| 8 | A group of Scavengers fighting over a 'Void-Shard' they found in a crack. |
| 9 | A fungal forest where the mushrooms scream when stepped on. |
| 10 | A 'Runic-Door' that requires a specific frequency of sound to open. |
| 11 | A mechanical 'Drill-Spider' that has gone rogue and is tunneling erratically. |
| 12 | A vertical shaft that leads directly to the 'Mana-Sump' of Kigum. |
| 13 | A 'Crystal-Chasm' filled with 'Raw Aether-Crystals' that are humming. |
| 14 | A tribe of 'Void-Gazers' living in the deepest, darkest tunnels. |
| 15 | A series of 'Steam-Pipes' from the surface that are leaking and dangerous. |
| 16 | A 'Gravity-Flip' zone where the floor and ceiling switch places. |
| 17 | A nest of 'Shadow-Bats' that drain magic instead of blood. |
| 18 | A legendary 'Great Anvil' where the first ironclads were forged. |
| 19 | A 'Void-Ooze' that mimics the appearance of a wet stone wall. |
| 20 | The Heart of the Mountain: A rhythmic pulsing sound that heals or harms nearby creatures. |
