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A Slayer assignment is given by a Slayer master. Killing the assigned monsters grants players Slayer experience.

For some monsters, players may also be able to access more exclusive locations when assigned them as a task. These monsters can only be killed as part of a slayer assignment; attempting to kill them without the required task will prevent the player from doing so.

Some monsters can only be killed using the Slayer skill. For a list of these monsters, see Slayer monsters.

Task weighting

Task weighting is the system that Slayer masters use to assign Slayer assignments. Each possible assignment has a weight value — the higher this value, the more likely that task will be assigned. The percentage chance of getting assigned a given Slayer task can be calculated using the formula

where is the task's weight and is the sum of all weights for the particular Slayer master that the player has the requirements to be assigned. This means that the weights of blocked tasks, tasks that are toggled off, and tasks that the player does not have the Slayer level or quest requirements for are not added to the sum .

For example, below is a hypothetical list of monsters that a Slayer master may assign:

Monster Task weight
Spiritual creatures 8
Dark beast 10
TzHaar 9
Abyssal demon 10
Aviansie 6
Metal dragons 14

If a player has level 85 Slayer, and has not unlocked TzHaar and Aviansie tasks via Slayer reward points, then the list will be filtered so that the player can only be assigned abyssal demons, spiritual creatures, and metal dragons. The player cannot boost their Slayer level to obtain a task above their base Slayer level; eating a wild pie to boost to 90 Slayer (which means dark beasts can be attacked) will not make that task available.

In this case, the total weight would be 32. The player would have a 31.25% chance of being assigned abyssal demons, 25% chance for spiritual creatures and a 43.75% chance of being assigned metal dragons.

List of assignments

 This article or section requires a cleanup in order to meet the Old School RuneScape Wiki's quality standards.
Reason:

General cleanup needed

  • Locations column needs to be cleaned up
    • Several newer locations not listed
    • Some locations lists are too long (trim off irrelevant locations)
    • Include significant 'alternative' locations; e.g. omitting Kourend catacombs because Spectres are named slightly differently is counterproductive
  • Non-slayer level requirements (e.g. quests) are not listed
    • Variant-dependent requirements (e.g. boots of stone for only some wyrms, ice coolers only for some lizards) should be listed separately
  • Needs checking if all slayer tasks are listed
  • Include Mortimer chathead

You can edit this page to improve it.

Note: Tasks assigned by Konar or Krystilia must be killed in their assigned locations in order to count towards their task.

Slayer Monster Superiors and alternatives Location Required Items Attribute Attack style Slayer master(s)
60 Aberrant spectres Undead Magic
85 Abyssal demons N/A Demon Melee
1 Ankou N/A N/A Undead Melee
78 Aquanites Ynysdail Cavern N/A N/A Magic
92 Araxytes Morytania Spider Cave N/A N/A Melee
1 Aviansie[a] God Wars Dungeon Ranged or Magic [b] N/A Ranged
1 Bandits Bandit Camp N/A N/A Melee
15 Banshees Undead Magical melee
40 Basilisks[c] Fremennik Slayer Dungeon N/A Melee
1 Bats N/A N/A N/A Melee
1 Bears N/A N/A Melee
1 Birds
  • Various locations throughout Gielinor
 N/A N/A Melee
1 Black demons N/A Demon Melee
1 Black dragons[d] Draconic, Fiery Melee, Dragonfire
1 Black Knights N/A N/A N/A Melee
50 Bloodvelds N/A Demon Magical melee
1 Blue dragons Draconic, Fiery Melee, Dragonfire
47 Brine rats N/A Brine Rat Cavern N/A Rat Melee
1 Catablepon N/A Stronghold of Security N/A N/A Melee, Magic
7 Cave bugs N/A N/A Melee
10 Cave crawlers N/A N/A Melee, Poison
58 Cave horrors Mos Le'Harmless Cave N/A Melee, Magical melee
17 Cave slimes N/A N/A Melee, Poison
87 Cave kraken Kraken Cove N/A N/A Magic
1 Chaos druids N/A N/A Melee
25 Cockatrices Fremennik Slayer Dungeon N/A Melee
1 Cows N/A N/A Melee
1 Crabs N/A N/A Melee
5 Crawling Hands Slayer Tower N/A N/A Crush
1 Crocodiles N/A N/A N/A Melee
54 Custodian stalkers Stalker Den N/A N/A Crush, Bleed
1 Dagannoth N/A N/A Ranged or Melee
90 Dark beasts N/A N/A Melee, Ranged
1 Dark warriors N/A Dark Warriors' Fortress N/A N/A Melee
1 Dogs N/A N/A Melee
84 Drakes or Achievement Diary [e] Draconic Melee
65 Dust devils N/A Melee
1 Dwarves N/A N/A Melee
1 Earth Warriors N/A Edgeville Dungeon N/A N/A Melee
1 Elves N/A N/A Melee or ranged
1 Ents N/A N/A N/A Melee
42 Fever spiders N/A Braindeath Island (brewery basement) N/A Melee
1 Fire giants N/A Fiery Melee
1 Flesh Crawlers N/A Stronghold of Security (level 2) N/A N/A Melee
66 Fossil Island Wyverns Wyvern Cave Draconic Melee, Ranged, Icy breath
1 Frost dragons N/A Grimstone Dungeon Draconic Melee, Icy breath
75 Gargoyles Slayer Tower Golem Melee
1 Ghosts N/A Undead Melee
1 Ghouls N/A West of Canifis N/A N/A Melee
1 Goblins N/A N/A Melee
1 Greater demons N/A Demon Melee
1 Green dragons Draconic, Fiery Melee, Dragonfire
51 Gryphons The Great Conch, north of The Summer Shore N/A Melee
33 Harpie bug swarms N/A N/A Melee
1 Hellhounds N/A Demon Melee
1 Hill Giants N/A N/A Melee
1 Hobgoblins N/A N/A N/A Melee
95 Hydras Karuulm Slayer Dungeon or Achievement Diary [e] Draconic Magic, Ranged, Poison
1 Icefiends N/A N/A Demon Melee, Magic, Ranged
1 Ice giants N/A N/A Melee
1 Ice warriors N/A N/A Melee
45 Infernal Mages Slayer tower N/A N/A Magic
52 Jellies N/A N/A Magical melee
1 Jungle horrors N/A Mos Le'Harmless N/A N/A Melee
1 Kalphites N/A Kalphite Melee
37 Killerwatts N/A Killerwatt plane N/A Magical melee, ranged
70 Kurasks Leafy Melee
1 Lava dragons N/A Lava Dragon Isle Draconic, Fiery Melee, Dragonfire
1 Lesser demons N/A Demon Melee
48 Lesser Nagua N/A Spectral Melee, Magic
1 Lizardmen[a] N/A N/A Melee, Ranged
22 Lizards Kharidian Desert N/A Melee
1 Magic axes N/A Magic Axe Hut N/A Melee
1 Mammoths N/A West of the Chaos Temple N/A N/A Melee
1 Metal dragons N/A Varies N/A Melee, Dragonfire (all)
Ranged (mithril/adamant/rune dragon)
Magic (mithril/adamant/rune)
1 Minotaurs N/A Stronghold of Security N/A N/A Melee
32 Mogres Mudskipper Point N/A Melee
39 Molanisks N/A Dorgesh-Kaan South Dungeon N/A Melee
1 Monkeys N/A N/A Melee
1 Moss giants N/A N/A Melee
80 Nechryael N/A Demon Melee
1 Ogres N/A N/A Melee
1 Otherworldly beings N/A Zanaris N/A N/A Melee
1 Pirates N/A N/A Melee
30 Pyrefiends N/A Demon, Fiery Magical melee
1 Rats N/A Rat Melee
1 Red dragons[a] Draconic, Fiery Melee, Dragonfire
1 Revenants N/A Revenant Caves N/A Undead Melee, Ranged, Magic
20 Rockslugs or N/A Melee
1 Rogues N/A N/A N/A Melee
1 Scabarites N/A Kalphite Melee, Magic, Ranged
1 Scorpions N/A N/A Melee
1 Sea snakes Miscellania & Etceteria Dungeon N/A N/A Melee
1 Shades N/A Shade, Undead Melee
1 Shadow warriors N/A Legends' Guild basement N/A N/A Melee
72 Skeletal Wyverns N/A Asgarnian Ice Dungeon Draconic Melee, Ranged, Icy breath
1 Skeletons N/A Undead Melee
93 Smoke devils Smoke Devil Dungeon N/A Magical ranged
1 Sourhogs N/A Sourhog Cave N/A Melee, Ranged
1 Spiders N/A N/A Melee
1 Spiritual creatures N/A N/A N/A Varies with target
1 Suqahs N/A Lunar Isle N/A N/A Melee, Magic
40 Terror dogs N/A Tarn's Lair N/A N/A Melee
1 Trolls N/A N/A Melee, Ranged
55 Turoth Fremennik Slayer Dungeon Leafy Melee
1 TzHaar[a] Mor Ul Rek N/A N/A Melee, Ranged, Magic
1 Vampyres[f] or [g]
[h] 		Vampyre Melee
74 Venators Vampyrium , , Vampyre Melee
35 Wall Beasts N/A Lumbridge Swamp Caves N/A Melee
56 Warped creatures[a] Poison Waste Dungeon N/A Melee, Ranged
1 Waterfiends N/A N/A Demon Magic, Magical ranged
1 Werewolves N/A N/A N/A Melee
1 Wolves N/A N/A Melee
62 Wyrms or Achievement Diary [e] Draconic Melee, Magical ranged
1 Zombies N/A Undead Melee
57 Zygomites N/A Magical melee, Magical ranged
  1. ^ 1.0 1.1 1.2 1.3 1.4 Task must be unlocked with Slayer reward points to be assigned.
  2. ^ Ranged or magic is required to harm Aviansie.
  3. ^ Task must be unlocked with Slayer reward points to be assigned by Konar, Duradel and Nieve.
  4. ^ The King Black Dragon does not count towards a black dragon task assigned by Krystilia.
  5. ^ 5.0 5.1 5.2 Boots of stone and its derivatives are not required with completion of the elite Kourend & Kebos Diary.
  6. ^ Task must be unlocked with Slayer reward points to be assigned by Chaeldar, Konar, Duradel and Nieve.
  7. ^ Silver weaponry or Efaritay's aid is required to harm tier 2 vampyres.
  8. ^ An ivandis flail, blisterwood flail, hallowed flail, sunspear or blisterwood stake is required to harm tier 3 vampyres.

Changes

Date Changes
24 March 2016
(Update | poll)

It is now possible to unlock the chance to receive a Lizardmen slayer task from Duradel, Nieve and Chaeldar. Unlocking this task costs 75 Slayer points.

10 September 2015
(Update)
  • Gargoyles, nechryaels, abyssal demons, spiritual mages, spiritual rangers and spiritual warriors can now be assigned by Vannaka.
  • Chaeldar will now assign between 110 and 170 spirit creatures and aviansie.
  • Removed a number of terrible assignments from Duradel.
  • Duradel will now assign between 130 and 200 nechryaels, spiritual mages and spiritual rangers.
  • Nieve can now assign between 10 and 20 black dragons.
  • Nieve can now assign dark beasts.
3 September 2015
(Update)

Players who click out of the dialogue by accident when being offered a Jad slayer task now have 1 minute where they can talk to the master and be re-offered this choice.

16 April 2015
(Update)

Vultures now count toward a birds slayer task.

5 March 2015
(Update | poll)

You now receive 10% more Slayer experience when killing a creature on task in the Slayer Tower if you have completed the Morytania Elite Diary.

Source

Content from the Old School RuneScape Wiki (operated by Weird Gloop), licensed under CC BY-NC-SA 3.0.

Source siteOld School RuneScape Wiki
Canonical sourceSlayer task
Content licenseCC BY-NC-SA 3.0
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