| A | | Firbolg apothacy, quest mob. |
| B | | Firbolg bastion. |
| C | | Fire giant castle. |
| D | | Down exit. |
| E | | Entry room to Muspelheim, this room is two up two west from Yggdrasil, the World Ash on astral. Contains a branch which repops. |
| G | | Geyser. |
| J | | Jotunheim, at the top of the volcano. Two fire giant warriors. |
| L | | Lava bridge, casting an area ice spell in adjacent rooms causes the lava bridge to appear. Bridge is temporary and dumps occupants into lava when it runs out. Use fly or a boat to cross the bridge as well as permanent protection from fire. |
| M | | Master firbolg smith, quest mob. |
| S | | Firbolg sage, quest mob. |
| T | | Firbolg Tanner, quest mob. |
| U | | Up exit. |
| W | | Water room. |
| b | | Firbolg chieftain, four lieutenants, and sometimes a druid or shaman. Chieftain usually loads with a platinum bevor. |
| c | | Fire giant Citadel. |
| d | | Firbolg chieftain, four lieutenants, and sometimes a druid or shaman. Chieftain usually loads with a heavy cloak of dragonskin. |
| e | | Empty chests. |
| f | | Forge leading into the fire giant castle, use jug (off human that wanders grid one) to gain access to the forge. |
| g | | Grehjan and two fire giant elites, Grehjan usually loads with glyphs of power tattooed around one eye. Pull lever to gain entry to the fire giant citadel, this causes Grehjan to move to his room in the citadel. |
| h | | Hidden lever, pull lever to gain entry to the fire giant citadel. To enter the citadel from this side requires a lockpicker. |
| i | | Ironwood branch, a quest item, is hidden here. |
| l | | Lava bridge, fly is required to cross the bridge and permanent protection from fire to avoid taking damage. |
| m | | Cildabrin magi, low fifties aggressive non-tracking spider mage. A crystal, a quest item, loads hidden in this room. The magi loads with a gory poison gland. |
| n | | Grand firbolg chieftain, three to five chieftains, five to eight sentinals. Grand chieftain loads with a burnished iron necklace covered in runes. This secret area is only accessible during the ninth month of the mud year. |
| o | | Ore is hidden here, quest item. |
| p | | Peace room accessible from room t, contains an exit down but no way back. |
| r | | Roc nest, contains three baby rocs and two hidden eggs. |
| s | | Cildabrin, level fifty aggressive tracking warrior spiders. Each cildabrin loads with a gory poison gland. There is a hidden crystal between the two cildabrin as well as one hidden south of the western most cildabrin. |
| t | | Enormous ironwood tree, enter tree leads to room p. |
| u | | Secret exit leading up. |
| w | | Wall, non-aggressive level fifty mount. Start of cildabrin cave, all single file rooms. |
