Dagannoth Rex

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This article has a strategy guide here.
All information on mechanics and strategy will be on this page.
This article is about the dagannoth boss found in the Waterbirth Island Dungeon. For other uses, see Dagannoth (disambiguation).

Dagannoth Rex is the Melee-based Dagannoth King found in the depths of the Waterbirth Island Dungeon, along with fellow Dagannoth Kings, Dagannoth Supreme and Dagannoth Prime. Rex is the only monster to drop the Berserker and Warrior rings, which can become best-in-slot rings for Strength and Slash after being imbued at the Nightmare Zone. He, along with the other Dagannoth Kings, can also drop the rare dragon axe.

Strategy[edit | edit source]

Luring Rex to a safespot.

Dagannoth Rex has an extremely low Magic Defence, so it is recommended to use Magic against him. Popular choices include Slayer Dart, Iban Blast, and powered staves.

Due to his large size and the fact he uses melee attacks only, it is recommended to get him stuck on one of the ridges of the lair and safespot him (note that Spinolyps will still be constantly attacking while you're safespotting). Many players use high-level armour such as Barrows armour, which give high Defence bonuses while still being able to hit Rex constantly with spells due to his very low Magic Defence, even if their magic attack bonus is below zero. Players who use Guthan's are advised heal themselves on the Spinolyps while waiting on respawns to help preserve food and potions.

Dangers[edit | edit source]

  • If players venture too far out west to lure Dagannoth Rex, they risk attracting attention from both Dagannoth Prime and Dagannoth Supreme, namely Prime since he wanders closer to the east and north-east. This can be avoided by staying in the southeastern part of the arena, as Prime will rarely (if ever) go there, and attack Rex only when he's nearest to the east.

Drops[edit | edit source]

Drop rates estimated based on 217,761 kills from the Drop Rate Project, unless otherwise cited.

The average Dagannoth Rex kill is worth 31,177.13.

The average Dagannoth Rex kill while on a Konar task is worth 32,831.9.

100%[edit | edit source]

Item Quantity Rarity Price High Alch
Dagannoth bones.png: Dagannoth Rex drops Dagannoth bones with rarity Always in quantity 1Dagannoth bones1[d 1]Always8,23990
Dagannoth hide.png: Dagannoth Rex drops Dagannoth hide with rarity Always in quantity 1Dagannoth hide1Always14036
  1. Dropped in noted form if the player has completed the elite tier of the Fremennik diary

Weapons and armour[edit | edit source]

Item Quantity Rarity Price High Alch
Steel kiteshield.png: Dagannoth Rex drops Steel kiteshield with rarity 17/128 in quantity 1Steel kiteshield117/128256510
Mithril warhammer.png: Dagannoth Rex drops Mithril warhammer with rarity 11/128 in quantity 1Mithril warhammer111/128686996
Adamant axe.png: Dagannoth Rex drops Adamant axe with rarity 7/128 in quantity 1Adamant axe17/128[1]509768
Steel platebody.png: Dagannoth Rex drops Steel platebody with rarity 4/128 in quantity 1Steel platebody14/1288701,200
Mithril pickaxe.png: Dagannoth Rex drops Mithril pickaxe with rarity 3/128 in quantity 1Mithril pickaxe13/128345780
Adamant platebody.png: Dagannoth Rex drops Adamant platebody with rarity 2/128 in quantity 1Adamant platebody12/1289,4779,984
Fremennik blade.png: Dagannoth Rex drops Fremennik blade with rarity 2/128 in quantity 1Fremennik blade12/128Not sold3,000
Rune axe.png: Dagannoth Rex drops Rune axe with rarity 1/128 in quantity 1Rune axe11/1287,1807,680
Fremennik shield.png: Dagannoth Rex drops Fremennik shield with rarity 1/128 in quantity 1Fremennik shield11/128Not sold3,000
Fremennik helm.png: Dagannoth Rex drops Fremennik helm with rarity 1/128 in quantity 1Fremennik helm11/128Not sold3,000
Mithril 2h sword.png: Dagannoth Rex drops Mithril 2h sword with rarity 1/128 in quantity 1Mithril 2h sword11/1281,2471,560
Dragon axe.png: Dagannoth Rex drops Dragon axe with rarity 1/128 in quantity 1Dragon axe11/128[2][3]35,79833,000
Ring of life.png: Dagannoth Rex drops Ring of life with rarity 1/128 in quantity 1Ring of life11/1281,8932,115
Rock-shell plate.png: Dagannoth Rex drops Rock-shell plate with rarity 1/128 in quantity 1Rock-shell plate11/128[4]38,36839,000
Rock-shell legs.png: Dagannoth Rex drops Rock-shell legs with rarity 1/128 in quantity 1Rock-shell legs11/128[4]38,08938,400
Berserker ring.png: Dagannoth Rex drops Berserker ring with rarity 1/128 in quantity 1Berserker ring11/128[2][3][4]2,440,9716,000
Warrior ring.png: Dagannoth Rex drops Warrior ring with rarity 1/128 in quantity 1Warrior ring11/128[2][3][4]45,4786,000

Potions[edit | edit source]

Item Quantity Rarity Price High Alch
Antifire potion(2).png: Dagannoth Rex drops Antifire potion(2) with rarity 1/128 in quantity 1Antifire potion(2)11/128100118
Prayer potion(2).png: Dagannoth Rex drops Prayer potion(2) with rarity 1/128 in quantity 1Prayer potion(2)11/1284,51168
Restore potion(2).png: Dagannoth Rex drops Restore potion(2) with rarity 1/128 in quantity 1Restore potion(2)11/1286739
Super attack(2).png: Dagannoth Rex drops Super attack(2) with rarity 1/128 in quantity 1Super attack(2)11/1288481
Super strength(2).png: Dagannoth Rex drops Super strength(2) with rarity 1/128 in quantity 1Super strength(2)11/12891799
Super defence(2).png: Dagannoth Rex drops Super defence(2) with rarity 1/128 in quantity 1Super defence(2)11/128365118
Zamorak brew(2).png: Dagannoth Rex drops Zamorak brew(2) with rarity 1/128 in quantity 1Zamorak brew(2)11/1281,34190

Ores and bars[edit | edit source]

Item Quantity Rarity Price High Alch
Mithril ore.png: Dagannoth Rex drops Mithril ore with rarity 10/128 in quantity 25 (noted)Mithril ore25 (noted)10/1283,1502,425
Adamantite bar.png: Dagannoth Rex drops Adamantite bar with rarity 3/128 in quantity 1Adamantite bar13/1281,902384
Coal.png: Dagannoth Rex drops Coal with rarity 2/128 in quantity 100 (noted)Coal100 (noted)2/12814,0002,700
Iron ore.png: Dagannoth Rex drops Iron ore with rarity 1/128 in quantity 150 (noted)Iron ore150 (noted)1/12811,8501,500
Steel bar.png: Dagannoth Rex drops Steel bar with rarity 1/128 in quantity 15-30 (noted)Steel bar15–30 (noted)1/1285,820–11,640900–1,800

Talismans[edit | edit source]

There is a 1/128 chance of rolling the talisman drop table. [5]

Item Quantity Rarity Price High Alch
Air talisman.png: Dagannoth Rex drops Air talisman with rarity 1/896 in quantity 1Air talisman11/896942
Body talisman.png: Dagannoth Rex drops Body talisman with rarity 1/896 in quantity 1Body talisman11/8968042
Earth talisman.png: Dagannoth Rex drops Earth talisman with rarity 1/896 in quantity 1Earth talisman11/8963072
Fire talisman.png: Dagannoth Rex drops Fire talisman with rarity 1/896 in quantity 1Fire talisman11/8964,8322
Mind talisman.png: Dagannoth Rex drops Mind talisman with rarity 1/896 in quantity 1Mind talisman11/8963,1002
Water talisman.png: Dagannoth Rex drops Water talisman with rarity 1/896 in quantity 1Water talisman11/8962202
Cosmic talisman.png: Dagannoth Rex drops Cosmic talisman with rarity 1/2,240 in quantity 1Cosmic talisman11/2,2405092
Chaos talisman.png: Dagannoth Rex drops Chaos talisman with rarity 1/2,986.7 in quantity 1Chaos talisman11/2,986.75802
Nature talisman.png: Dagannoth Rex drops Nature talisman with rarity 1/2,986.7 in quantity 1Nature talisman11/2,986.77742

Other[edit | edit source]

Item Quantity Rarity Price High Alch
Coins_1000.png: Dagannoth Rex drops Coins with rarity 10/128 in quantity 100-1209Coins100–1,20910/128100–1,209100–1,209
Grimy ranarr weed.png: Dagannoth Rex drops Grimy ranarr weed with rarity 7/128 in quantity 1Grimy ranarr weed17/1286,84818
Bass.png: Dagannoth Rex drops Bass with rarity 7/128 in quantity 5Bass57/128705120
Swordfish.png: Dagannoth Rex drops Swordfish with rarity 4/128 in quantity 5Swordfish54/1281,925240
Shark.png: Dagannoth Rex drops Shark with rarity 1/128 in quantity 5Shark51/1283,905510

Rare and Gem drop table[edit | edit source]

There is a 8/128 chance of rolling the rare drop table. There is also a 10/128 chance of rolling the gem drop table.

Item Quantity Rarity Price High Alch
This does not exist.NothingN/A1/19.87; Never[d 1]N/AN/A
Coins_1000.png: Dagannoth Rex drops Coins with rarity 1/97.52 in quantity 3000Coins3,0001/97.523,0003,000
Loop half of key.png: Dagannoth Rex drops Loop half of key with rarity 1/95.67 in quantity 1Loop half of key11/95.67; 1/89.95[d 2]9,65560
Tooth half of key.png: Dagannoth Rex drops Tooth half of key with rarity 1/95.67 in quantity 1Tooth half of key11/95.67; 1/89.95[d 2]9,86660
Uncut sapphire.png: Dagannoth Rex drops Uncut sapphire with rarity 1/45.51 in quantity 1Uncut sapphire11/45.51; 1/23.11[d 2]40615
Runite bar.png: Dagannoth Rex drops Runite bar with rarity 1/409.6 in quantity 1Runite bar11/409.612,4053,000
Nature rune.png: Dagannoth Rex drops Nature rune with rarity 1/682.67 in quantity 67Nature rune671/682.6713,4677,236
Rune 2h sword.png: Dagannoth Rex drops Rune 2h sword with rarity 1/682.67 in quantity 1Rune 2h sword11/682.6737,83338,400
Rune battleaxe.png: Dagannoth Rex drops Rune battleaxe with rarity 1/682.67 in quantity 1Rune battleaxe11/682.6724,48524,960
Uncut emerald.png: Dagannoth Rex drops Uncut emerald with rarity 1/91.02 in quantity 1Uncut emerald11/91.02; 1/46.22[d 2]63330
Law rune.png: Dagannoth Rex drops Law rune with rarity 1/1,024 in quantity 45Law rune451/1,0246,5256,480
Death rune.png: Dagannoth Rex drops Death rune with rarity 1/1,024 in quantity 45Death rune451/1,0249,1354,860
Steel arrow.png: Dagannoth Rex drops Steel arrow with rarity 1/1,024 in quantity 150Steel arrow1501/1,0244,8001,050
Rune arrow.png: Dagannoth Rex drops Rune arrow with rarity 1/1,024 in quantity 42Rune arrow421/1,0242,26810,080
Adamant javelin.png: Dagannoth Rex drops Adamant javelin with rarity 1/1,024 in quantity 20Adamant javelin201/1,0241,3401,920
Rune sq shield.png: Dagannoth Rex drops Rune sq shield with rarity 1/1,024 in quantity 1Rune sq shield11/1,02422,49823,040
Dragonstone.png: Dagannoth Rex drops Dragonstone with rarity 1/1,024 in quantity 1Dragonstone11/1,02411,5286,000
Silver ore.png: Dagannoth Rex drops Silver ore with rarity 1/1,024 in quantity 100 (noted)Silver ore100 (noted)1/1,0244,8004,500
Uncut ruby.png: Dagannoth Rex drops Uncut ruby with rarity 1/182.04 in quantity 1Uncut ruby11/182.04; 1/92.44[d 2]1,30660
Rune kiteshield.png: Dagannoth Rex drops Rune kiteshield with rarity 1/2,048 in quantity 1Rune kiteshield11/2,04832,06232,640
Dragon med helm.png: Dagannoth Rex drops Dragon med helm with rarity 1/2,048 in quantity 1Dragon med helm11/2,04858,97960,000
Rune spear.png: Dagannoth Rex drops Rune spear with rarity 1/1,997.29 in quantity 1Rune spear11/1,997.29; 1/216.1[d 2][d 3]11,87612,480
Shield left half.png: Dagannoth Rex drops Shield left half with rarity 1/3,994.58 in quantity 1Shield left half11/3,994.58; 1/432.21[d 2][d 3]65,35966,000
Nature talisman.png: Dagannoth Rex drops Nature talisman with rarity 1/485.45 in quantity 1Nature talisman11/485.45; 1/246.52[d 2]7742
Dragon spear.png: Dagannoth Rex drops Dragon spear with rarity 1/5,326.1 in quantity 1Dragon spear11/5,326.1; 1/576.28[d 2][d 3]37,30637,440
Uncut diamond.png: Dagannoth Rex drops Uncut diamond with rarity 1/728.18 in quantity 1Uncut diamond11/728.18; 1/369.78[d 2]2,518120
Rune javelin.png: Dagannoth Rex drops Rune javelin with rarity 1/1,456.36 in quantity 5Rune javelin51/1,456.36; 1/739.56[d 2]8901,200
  1. The "nothing" drop is removed while wearing a ring of wealth.
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 The drop rate is increased while wearing a ring of wealth due to the "nothing" drop being removed.
  3. 3.0 3.1 3.2 Slightly reduced chance of dropping if Legends' Quest has not been completed.

Tertiary[edit | edit source]

Item Quantity Rarity Price High Alch
Ensouled dagannoth head.png: Dagannoth Rex drops Ensouled dagannoth head with rarity 1/20 in quantity 1Ensouled dagannoth head11/203,678273
Clue scroll (hard).png: Dagannoth Rex drops Clue scroll (hard) with rarity 1/42 in quantity 1Clue scroll (hard)11/42[3]Not sold12
Brimstone key.png: Dagannoth Rex drops Brimstone key with rarity 1/59 in quantity 1Brimstone key11/59[d 1]Not soldN/A
Clue scroll (elite).png: Dagannoth Rex drops Clue scroll (elite) with rarity 1/750 in quantity 1Clue scroll (elite)11/750[2][3]Not sold12
Pet dagannoth rex.png: Dagannoth Rex drops Pet dagannoth rex with rarity 1/5,000 in quantity 1Pet dagannoth rex11/5,000[6]Not soldN/A
  1. Brimstone keys are only dropped if killed on a Slayer task given by Konar quo Maten.

Changes[edit | edit source]

Date Changes
5 March 2015
(update | poll)
Dagannoth bones are now noted drops if you have completed the Fremennik Elite Diary.
17 July 2014
(update | poll)
Players can now receive a pet version of this boss after defeating it.

References[edit | edit source]

  1. Jagex. Mod Ash's Twitter account. 2 May 2017. (Archived from the original on 15 April 2019.) Mod Ash: "7/128 chance from Rex."
  2. 2.0 2.1 2.2 2.3 Envision. "Drop Rates V2." Old School RuneScape Forums.
  3. 3.0 3.1 3.2 3.3 3.4 Jagex. Mod Ash's Twitter account. 28 September 2015. (Archived from the original on 15 April 2019.) Mod Ash: "1/42 for a hard clue, 1/750 for elite, 1/128 for a d axe and 1/128 for a ring."
  4. 4.0 4.1 4.2 4.3 Jagex. Mod Ash's Twitter account. 10 July 2018. (Archived from the original on 15 April 2019.) Mod Ash: "Each of those items is 1/128."
  5. Jagex. Mod Ash's Twitter account. 22 June 2016. (Archived from the original on 15 April 2019.) Mod Ash: "He has a 1/128 chance of calling the talisman table; it has a 1/7 chance of giving an air talisman."
  6. Jagex. Mod JohnC's Twitter account. 22 September 2014. (Archived from the original on 25 March 2019.) Mod JohnC: "Almost forgot the final week of boss pet drop rates! DKS Pets are all 1 in 5000"