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This article has a strategy guide here.
All information on mechanics and strategy will be on this page.

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 coveted Berserker and Warrior rings; the former can be sold for a hefty price. He, along with the other Dagannoth Kings, can also drop the rare dragon axe.

Strategy

Dagannoth Rex has an extremely low Magic Defence. Therefore, it is recommended to use Magic against him for better hits; popular choices are Slayer Dart, Fire Wave, Trident and God spells. For best damage per second, players should use a Staff of the dead for the 15% damage boost (stacks with Charge spell), as well as its ability to autocast Flames of Zamorak. Another more popular alternative is the use of the Trident of the seas or Toxic trident. Using any of these strategies in conjunction with the Slayer helm (i), a player can now deal out extra damage if they are on a dagannoth task. Occult necklace may be used with Staff of the dead or Trident of the seas/swamp for an extra 10% magic damage.  

Dagannoth Rex safe spot

Luring Rex to a safe spot.

Due to his large size, the fact he uses melee attacks only and the surroundings he is in, 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 him). 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 the Infested's equipment are advised heal themselves on the Spinolyps while waiting for Rex to re-spawn to help preserve food and potions.

Dangers

  • 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

100%

Item Quantity Rarity GE market price
Dagannoth bones Dagannoth bones 1 Always 8,771
Dagannoth hide Dagannoth hide 1 Always 180

Weapons

Item Quantity Rarity GE market price
Fremennik blade Fremennik blade 1 Common Not sold
Mithril warhammer Mithril warhammer 1 Common 687
Mithril 2h sword Mithril 2h sword 1 Uncommon 1,234
Mithril pickaxe Mithril pickaxe 1 Uncommon 388
Adamant axe Adamant axe 1 Uncommon (7/128) 515
Rune axe Rune axe 1 Uncommon 7,210
Dragon axe Dragon axe 1 Rare (1/128) 36,227

Armour

Item Quantity Rarity GE market price
Steel kiteshield Steel kiteshield 1 Common 264
Steel platebody Steel platebody 1 Common 906
Adamant platebody Adamant platebody 1 Uncommon 9,456
Fremennik shield Fremennik shield 1 Uncommon 1,879
Fremennik helm Fremennik helm 1 Rare Not sold
Rock-shell plate Rock-shell plate 1 Rare (1/128)[1] 38,458
Rock-shell legs Rock-shell legs 1 Rare (1/128)[1] 38,723
Ring of life Ring of life 1 Rare (1/128) 1,904
Berserker ring Berserker ring 1 Rare (1/128)[1] 2,777,869
Warrior ring Warrior ring 1 Rare (1/128)[1] 39,443

Potions

Item Quantity Rarity GE market price
Antifire potion(2) Antifire potion(2) 1 Uncommon 105
Prayer potion(2) Prayer potion(2) 1 Uncommon 4,955
Super attack(2) Super attack(2) 1 Uncommon 85
Super strength(2) Super strength(2) 1 Uncommon 769
Super defence(2) Super defence(2) 1 Uncommon 294
Zamorak brew(2) Zamorak brew(2) 1 Uncommon 1,409
Restore potion(2) Restore potion(2) 1 Uncommon 68

Ores and bars

Item Quantity Rarity GE market price
Adamantite bar Adamantite bar 1 Uncommon 1,959
Mithril ore Mithril ore 25 (noted) Uncommon 4,575
Coal Coal 100 (noted) Uncommon 15,700
Iron ore Iron ore 150 (noted) Rare 25,500
Steel bar Steel bar 15–38 (noted) Rare 7,455–18,886

Food

Item Quantity Rarity GE market price
Bass Bass 5 Uncommon 915
Swordfish Swordfish 5 Uncommon 1,600
Shark Shark 5 Uncommon 4,735

Talismans

There is a 1 in 128 chance of rolling the talisman table.[2]

Item Quantity Rarity GE market price
Air talisman Air talisman 1 Rare (1/896) 82
Mind talisman Mind talisman 1 Rare (1/896) 4,172
Water talisman Water talisman 1 Rare (1/896) 178
Earth talisman Earth talisman 1 Rare (1/896) 292
Fire talisman Fire talisman 1 Rare (1/896) 5,051
Body talisman Body talisman 1 Rare (1/896) 1,002
Cosmic talisman Cosmic talisman 1 Very rare (1/2,240) 813
Chaos talisman Chaos talisman 1 Very rare (3/8,960) 493
Nature talisman Nature talisman 1 Very rare (3/8,960) 831

Other

Item Quantity Rarity GE market price
Rare drop table Rare drop table 1 Common (1/16) Not sold
Ensouled dagannoth head Ensouled dagannoth head 1 Common (1/20) 4,019
Coins 1000 Coins 126–3,000 Uncommon Not sold
Grimy ranarr weed Grimy ranarr weed 1 Uncommon 7,539
Clue scroll (hard) Clue scroll (hard) 1 Uncommon (1/42) Not sold
Clue scroll (elite) Clue scroll (elite) 1 Rare (1/750) Not sold
Pet dagannoth rex Pet dagannoth rex 1 Very rare (1/5,000) Not sold

Rare drop table

In addition to the drops above, this monster has a 1/16 chance to access the standard rare drop table.

Show/hide rare drop table
Item Quantity Rarity GE market price
Coins 1000 Coins 3,000 Uncommon (1/93.09) Not sold
Loop half of key Loop half of key 1 Rare (1/101.61; 1/101.34)[R 1] 10,429
Tooth half of key Tooth half of key 1 Rare (1/106.91; 1/106.62)[R 1] 11,127
Uncut sapphire Uncut sapphire 1 Rare (1/409.6; 1/307.2)[R 1] 443
Runite bar Runite bar 1 Rare (1/409.6) 12,425
Nature talisman Nature talisman 1 Rare (1/590.41; 1/564.97)[R 1] 831
Nature rune Nature rune 67 Rare (1/682.67) 14,807
Rune 2h sword Rune 2h sword 1 Rare (1/682.67) 37,764
Rune battleaxe Rune battleaxe 1 Rare (1/682.67) 24,512
Uncut emerald Uncut emerald 1 Rare (1/819.2; 1/614.4)[R 1] 711
Law rune Law rune 45 Very rare (1/1,024) 8,010
Death rune Death rune 45 Very rare (1/1,024) 9,360
Steel arrow 5 Steel arrow 150 Very rare (1/1,024) 4,800
Rune arrow 5 Rune arrow 42 Very rare (1/1,024) 3,066
Adamant javelin Adamant javelin 20 Very rare (1/1,024) 1,260
Rune sq shield Rune sq shield 1 Very rare (1/1,024) 22,549
Dragonstone Dragonstone 1 Very rare (1/1,024) 11,993
Silver ore Silver ore 100 (noted) Very rare (1/1,024) 8,100
Uncut ruby Uncut ruby 1 Very rare (1/1,638.4; 1/1,228.8)[R 1] 1,266
Rune kiteshield Rune kiteshield 1 Very rare (1/2,048) 32,091
Dragon med helm Dragon med helm 1 Very rare (1/2,048) 59,022
Rune spear Rune spear 1 Very rare (1/2,162.01)[R 2] 11,975
Shield left half Shield left half 1 Very rare (1/4,324.02)[R 2] 65,573
Dragon spear Dragon spear 1 Very rare (1/5,765.37)[R 2] 36,983
Uncut diamond Uncut diamond 1 Very rare (1/6,553.6; 1/4,915.2)[R 1] 2,633
Rune javelin Rune javelin 5 Very rare (1/13,107.2; 1/9,830.4)[R 1] 885
  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 The drop rate is increased when wearing a Ring of wealth.
  2. 2.0 2.1 2.2 The drop rate is increased by an unknown amount when wearing a Ring of wealth.

References

  1. 1.0 1.1 1.2 1.3 Jagex. Mod Ash's Twitter account. 06 March 2018.
  2. Jagex. Mod Ash's Twitter account. 22 June 2016. Mod Ash: "He has a 1/128 chance of calling the talisman table; it has a 1/7 chance of giving an air talisman."


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