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An instance is a special area, typically a quest area, that generates a new copy of the location for each player or group that enters the area. Players cannot see other players in instanced areas unless it's a group instanced area—in which case, the group cannot see any other groups.

Instanced areas can take place in entirely new areas that cannot be accessed without the instance or in areas that are normally not instanced. Most non-quest boss instances will require the player to pay a specific sum of money or have an item in their inventory in order to access the instance.

Generally, dying in an instance will result in all unkept items being stored in a gravestone, which will be located just outside of the instance.

Examples of instanced areas[edit | edit source]

Boss instances[edit | edit source]

Some bosses have an instance option (sometimes called "custom session" or "custom encounter"), which may have a setup or entrance cost (coins or an item). Instances also share the requirements of the boss. The cost varies per instance and are shown below. Some instances offer an Item Retrieval Service, should the player leave such instances by death.

Boss Access location Cost Item Recovery[1] Notes
Zulrah At his shrine east of Zul-Andra Free Free from Priestess Zul-Gwenwynig until 50kc, 100,000 after
Skotizo Centre of the Catacombs of Kourend Dark totem.pngDark totem Grave outside the altar in the Catacombs of Kourend Use a dark totem on the altar found in the centre of the Catacombs of Kourend.
Kraken Kraken Cove 25,000 Grave outside the crevice At the crevice due north, select the "Private Crevice" option.
King Black Dragon King Black Dragon Lair 50,000 Grave beside the Lava Maze Dungeon's lever Go down the ladder at the Lava Maze entrance and select the "Private Lever" option.
Corporeal Beast At the private portal in Corporeal Beast Lair 200,000 Grave by the private portal A captain rank or higher in a clan chat can pay the instance cost for the clan, and any clan member can enter once the instance is open. Items appear in a grave by the private portal upon death.
Obor Gates at the western wall of the hill giant area in Edgeville Dungeon Giant key.pngGiant key Grave by the entrance to Obor's lair Players need to obtain a giant key from hill giants, which grants access to Obor's lair.
Bryophyta Gates just north of the moss giant area in the Varrock Sewers Mossy key.pngMossy key Grave by the entrance to Bryophyta's lair Players need to obtain a mossy key from moss giants, which grants access to Bryophyta's lair.
Grotesque Guardians Roof entrance outside of gargoyles in Slayer Tower Brittle key.pngBrittle key, only once 50,000 from the nearby magical chest Players need to obtain a brittle key from gargoyles only while on a Slayer task, which grants permanant access to the Slayer Tower's rooftop.
Vorkath Ungael Quest point icon.png Dragon Slayer II 100,000 from Torfinn Although encountered during Dragon Slayer II, players need to complete said quest to battle a stronger variant of Vorkath.
Alchemical Hydra Karuulm Slayer Dungeon Free 100,000 from Orrvor quo Maten Climb over the small obstacle next to Orrvor quo Maten.
Hespori Farming Guild Hespori seed 5.pngHespori seed 25,000 from Arno Instance is created upon attempting to harvest Hespori.
The Mimic Upstairs in Watson's house in Hosidius Mimic.pngMimic casket 90,000 from the Strange casket
  1. Note: Item retrieval services cannot be used simultaneously, and dying a second time before retrieving your items will cause them to be destroyed.

Slayer instance-like sections[edit | edit source]

Some bosses may only be slain if on a Slayer task, namely the Kraken, Thermonuclear smoke devil, Cerberus, Abyssal Sire, Grotesque Guardians, and Alchemical Hydra. The Grotesque Guardians and the Alchemical Hydra have instances of their own, with no normal fight option being available. Cerberus and the Abyssal Sire have mechanics in place to prevent other players from attacking them, even if they are on a task. The Kraken and Thermonuclear smoke devil are exceptions in that other players can attack them if they are part of a slayer task, although any player who doesn't have them as a slayer task can't attack them.

Additionally, Dagannoth Kings have a Slayer lair, which is accessible on the Kings' ladder. Players who have been assigned a general Dagannoth task (or Konar's Waterbirth Island) may slay the Kings here as part of their slayer task, working similarly to the Kraken and Thermonuclear smoke devil in that a player can't attack them if they're not assigned them, but may still enter and collect items.

See also[edit | edit source]