Beyond the towns and fields, Alduin hides dangerous places with stronger monsters and better loot. Many are reached through level-locked passages. Each place below links to its page with exits, monsters and drops.
| [[map:18 | Sewers]] | Rats | Under Aeven; Aeven Sewers | |
| [[map:62 | Crypt]] | Mummies | Two floors | |
| [[map:37 | Death Cave]] | Vyercils, Undeaths, Reapers | Several levels | |
| [[map:78 | Cyclops Cave]] | Cyclopses, the Cyclops Guardian, Opticas | Several caves, including Cyclops Cave #2 | |
| [[map:152 | Ghost Mansion]] | Wraiths, Cursed Masks, Banshis, Dark Magicians | Many floors; the [[npc:255 | Ancient Wraith]] waits at the top (Ancient Wraith) |
| [[map:155 | Octos Lair]] | Octopus (boss), Tentacles, Bats | ||
| [[map:241 | Abonded Fort]] and [[map:242 | Underground Fort]] | Orcs, Gnomes, Gnolls, Headless Hunters | |
| [[map:209 | Crazy Factory]] | Cranes, Cytos, Protos | The Control Centre's Factory Panic | |
| [[map:245 | Killing Grounds]] | Dwarf Warriors, Hell Flyers | ||
| [[map:249 | Grocery Storage]] | Chaos Spawns, Biters, Banshis | Leads to the Hall of Pain | |
| [[map:136 | Hall of Pain]] | Hell Guardians, Reapers, War Bears and the boss [[npc:257 | Apozen Overlord]] | One of the most dangerous places in the world |
| [[map:270 | Atlantis Pathway]] | Dragons, Biters, Flymen | Dragons can drop the [[pets/baby-dragon | Baby Dragon]] pet; leads on to Atlantis |
| [[map:47 | Castle maze]] | — | The maze, a daily maze from the Imperial Castle |
Bosses
| 4 | 1,300 | 330 | 7 | Octos Lair | |
| 3 | 1,170 | 270 | 3 | Building near Death Cave | |
| 42 | 13,000 | 150 | 1 | Imperial castle | |
| 42 | 13,000 | 150 | 1 | Imperial castle | |
| 154 | 39,000 | 1,500 | 0 | Area near Aeven (3), Hall of Pain +1 | |
| 4 | 1,000 | 90 | 2 | Area near Aeven (6) | |
| 4 | 1,300 | 168 | 1 | Area near Aeven Port (5) | |
| 3 | 1,040 | 170 | 3 | Area near Aeven Port (2) | |
| 43 | 10,400 | 750 | 5 | Area near Aeven (3) | |
| 3 | 1,066 | 138 | 1 | Crazy Factory | |
| 11 | 2,600 | 432 | 4 | Crazy Factory | |
| 42 | 13,000 | 150 | 0 | Imperial castle | |
| 26 | 7,020 | 210 | 0 | Area near Aeven Port (4) | |
| 5 | 1,300 | 216 | 5 | Death Cave #3, Underground Fort | |
| 6 | 1,256 | 91 | 3 | Area near Sky Wonder | |
| 56 | 11,000 | 1,251 | 7 | Atlantis Pathway | |
| 46 | 10,000 | 1,216 | 1 | Hall of Pain, Unnamed area 264 | |
| 25 | 4,000 | 369 | 2 | Ghost Mansion #4 | |
| 161 | 34,000 | 6,666 | 3 | Hall of Pain | |
| 5 | 400 | 0 | 0 | Aeven Fishing Docks |
Be prepared
Check a monster's HP and damage on its page first, bring potions, team up and remember that the way back from your home point can be long.