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All information on mechanics and strategy will be on this page.
This article is about the Slayer monster. For the superior variant, see Night beast.
File:ABlackDude.jpg
Dark beast icon

TriHard beasts are monsters that require 90 Slayer to kill, and are found in the Mourner Tunnels as well as in the Dragon's Den (north-west) area of the Catacombs of Kourend. Along with their superior variant, they are the only monster in the game to drop the dark bow and the death talisman.

Dark beasts attack with both Melee and Magic; however, they will only use Magic if they are attacked by the player first, or if they cannot attack the player with Melee. Dark beasts do not follow tolerance rules, and are always aggressive to the player regardless of how long they have stayed in their presence. Their highly accurate melee attacks means that using Protect from Melee is recommended when killing dark beasts.

A combat level of 100 is required to have them assigned to the player as a Slayer assignment, unless the player has spoken to a Slayer Master about the difficulty of assignments; progressing through Mourning's Ends Part II, the most cancerous quest, to the point where the player can access the tunnels is also required, as well as 90 Slayer.

Players who have a Slayer ring and completed Mourning's End Part II can rub the ring to immediately teleport to the dark beasts in the Mourner Tunnels. Another fast method to reach these dark beasts is the death altar through the Abyss. If the player cannot use these methods, then they will need to enter through the Mourner Headquarters wearing a full mourner set (with no non-regulated items being worn) and the new key to open the door.

Drops

100%

Item Quantity Rarity GE market price
Big bones Big bones 1 Always 262

Weapons and armour

Runes

Item Quantity Rarity GE market price
Death rune Death rune 20 Common 4,060
Chaos rune Chaos rune 30 Uncommon 2,670
Air rune Air rune 47 Uncommon 235
Blood rune Blood rune 10–15 Uncommon 3,670–5,505

Herbs

Item Quantity Rarity GE market price
Grimy guam leaf Grimy guam leaf 1 Common 15
Grimy marrentill Grimy marrentill 1 Common 13
Grimy tarromin Grimy tarromin 1 Common 132
Grimy harralander Grimy harralander 1 Uncommon 674
Grimy ranarr weed Grimy ranarr weed 1 Uncommon 7,640
Grimy irit leaf Grimy irit leaf 1 Uncommon 775
Grimy avantoe Grimy avantoe 1 Uncommon 1,814
Grimy kwuarm Grimy kwuarm 1 Uncommon 1,165
Grimy cadantine Grimy cadantine 1 Rare 1,312
Grimy lantadyme Grimy lantadyme 1 Rare 1,391
Grimy dwarf weed Grimy dwarf weed 1 Rare 448

Seeds

This monsters drops seeds from the rare allotment seed drop table.
Item Quantity Rarity GE market price
Herb seed 5 Toadflax seed 1 Uncommon 795
Herb seed 5 Irit seed 1 Uncommon 47
Belladonna seed 5 Belladonna seed 1 Uncommon 57
Poison ivy seed 5 Poison ivy seed 1 Rare 18
Cactus seed 5 Cactus seed 1 Rare 98
Herb seed 5 Avantoe seed 1 Rare 1,675
Herb seed 5 Kwuarm seed 1 Rare 379
Herb seed 5 Snapdragon seed 1 Rare 54,551
Herb seed 5 Cadantine seed 1 Rare 1,034
Herb seed 5 Lantadyme seed 1 Rare 2,358
Herb seed 5 Dwarf weed seed 1 Rare 423
Herb seed 5 Torstol seed 1 Very rare 58,385

Other

Item Quantity Rarity GE market price
Coins 100 Coins 64–220 Common Not sold
Attack potion(3) Attack potion(3) 1 Uncommon 3
Shark Shark 1–2 Uncommon 921–1,842
Adamantite ore Adamantite ore 5 (noted) Uncommon 5,250
Adamantite bar Adamantite bar 3 (noted) Uncommon 5,712
Runite ore Runite ore 1 (noted) Uncommon 11,169
Runite bar Runite bar 1 Uncommon 12,368
Death talisman Death talisman 1 Rare (1/128) 10,060
Clue scroll (hard) Clue scroll (hard) 1 Rare (1/128) Not sold
Ancient shard Ancient shard 1 Rare (1/186.66)[1] Not sold
Dark totem base Dark totem base 1 Rare (1/280)[1] Not sold
Dark totem middle Dark totem middle 1 Rare (1/280)[1] Not sold
Dark totem top Dark totem top 1 Rare (1/280)[1] Not sold
Long bone Long bone 1 Rare (1/400) Not sold
Clue scroll (elite) Clue scroll (elite) 1 Very rare (1/1,200) Not sold
Curved bone Curved bone 1 Very rare (1/5,000) Not sold
  1. 1.0 1.1 1.2 1.3 Only dropped by those found within the Catacombs of Kourend.

Rare drop table

In addition to the drops above, this monster has access to the standard rare drop table.

Show/hide rare drop table
Item Quantity Rarity GE market price
Coins 1000 Coins 3,000 Rare Not sold
Loop half of key Loop half of key 1 Rare 10,307
Tooth half of key Tooth half of key 1 Rare 10,840
Uncut sapphire Uncut sapphire 1 Rare 455
Runite bar Runite bar 1 Rare 12,368
Chaos talisman Chaos talisman 1 Very rare 505
Nature rune Nature rune 67 Very rare 14,539
Rune 2h sword Rune 2h sword 1 Very rare 37,758
Rune battleaxe Rune battleaxe 1 Very rare 24,487
Uncut emerald Uncut emerald 1 Very rare 679
Law rune Law rune 45 Very rare 7,470
Death rune Death rune 45 Very rare 9,135
Steel arrow 5 Steel arrow 150 Very rare 4,800
Rune arrow 5 Rune arrow 42 Very rare 2,940
Adamant javelin Adamant javelin 20 Very rare 1,220
Rune sq shield Rune sq shield 1 Very rare 22,459
Dragonstone Dragonstone 1 Very rare 11,932
Silver ore Silver ore 100 (noted) Very rare 7,000
Uncut ruby Uncut ruby 1 Very rare 1,249
Rune kiteshield Rune kiteshield 1 Very rare 32,015
Dragon med helm Dragon med helm 1 Very rare 58,488
Rune spear Rune spear 1 Very rare 11,933
Shield left half Shield left half 1 Very rare 65,697
Dragon spear Dragon spear 1 Very rare 37,226
Uncut diamond Uncut diamond 1 Very rare 2,627
Rune javelin Rune javelin 5 Very rare 875

Trivia

  • Upon their release, dark beasts used to look like a dark-brown version of the Temple guardian with a black horn.
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