|Main Music||7th Realm|
|Levels||Lower and upper|
|Strongest Monster||Steel dragon|
|Inhabitants/Race||Dragons, Giants, Demons and Dogs|
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To enter the dungeon, players must pay Saniboch, who is outside the entrance, 875 coins each time they wish to enter the dungeon. You will also need an axe to cut the vines blocking the path (requiring level 10 Woodcutting).
There are also stepping stones in the dungeon that require level 12 Agility to pass. If you fail it (which is quite rare), you will get hit by a low amount of damage. To get further in the dungeon, you will need at least a Woodcutting level of 34.
The cost of entering the dungeon can often be easily recouped, from the drops of the many powerful monsters in the dungeon like demons, giants, and dragons. The dungeon is a popular destination for players seeking to fight greater demons, black demons, red dragons, or metal dragons.
The Wise Old Man travelled to Karamja and ventured into Brimhaven Dungeon, which few people at the time dared to enter. Afterwards, he advised the locals to charge any adventurer who wished to enter the dungeon, which is why Saniboch charges a fee of 875 coins for any player to enter.
The dungeon can be reached by sailing from East Ardougne to Brimhaven, for a fee of 30 coins or for free when using the Ring of charos. Another sea route can be taken from Port Sarim to Musa Point, again requiring 30 coins or the Ring of charos for a free trip. However, it is a much longer walk to the dungeon entrance from Musa Point than from Brimhaven. Alternatively, one can charter a ship to get to Brimhaven (the Port Sarim-Brimhaven charter ship ride costs 1,600 coins). The nearest bank, although the quest Shilo Village and 10 extra coins are required, is Shilo Village Bank by using Hajedy's cart. The Tzhaar city is also an option.
Teleportation is also practical:
- Teleport to House if the Player-owned house is on Karamja or if using a Scroll of redirection. This is by far the quickest way to get to the dungeon, and best to get your items back if you die.
- Spirit Tree if the player has a fully grown spirit tree behind the Brimhaven Agility Arena.
- Amulet of glory to Karamja, then run west then south.
- Fairy ring code CKR and then north to the dungeon.
- Teleport to Ardougne—Take boat to Brimhaven (costs 30 coins). Walk south to the dungeon.
- Wild dogs
- Moss giants
- Fire giants
- Greater demons
- Black demons
- Baby green dragons
- Baby red dragons
- Red dragons
- Bronze dragons
- Iron dragons
- Steel dragons
- Saniboch - The guard to the entrance of this dungeon. Players must pay him 875 coins to enter.
- 7th Realm
- Karamja Jam
Ancient Cavern • Ardougne Sewers • Clock Tower Basement • Eagles' Peak Dungeon • Elemental Workshop • Goblin Cave Mogre Camp (Port Khazard) • Observatory Dungeon • Temple of Ikov • Tower of Life Basement • Underground Pass • Waterfall Dungeon • White Wolf Mountain Caves • Witchaven Shrine Dungeon • Yanille Agility dungeon
Digsite Dungeon • Dorgeshuun Mines • Draynor Sewers • Dungeon of Tolna • Edgeville dungeon • H.A.M. Hideout • Lumbridge Swamp Caves • Saradomin Shrine • Stronghold of Security • Tunnel of Chaos • Varrock Sewers
Ape Atoll Dungeon • Dorgesh-Kaan South Dungeon • Dungeon (Player-owned house) • Entrana Dungeon • Evil Chicken's Lair • Grand Tree Tunnels • Jatizso Mines • Lunar Isle Mine • Miscellania & Etceteria Dungeon • Mos'Le Harmless Caves • Underwater Tunnel • Waterbirth Dungeon