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For the pet version, see Rex hatchling.
Invasion plans
This article has a strategy guide.
All information on mechanics, setups, and strategy are on the subpage.
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Dagannoth Rex is the melee Dagannoth King found on Waterbirth Island. He is completely immune to ranged and melee. Dagannoth Rex is the only dropper of the berserker and warrior rings. He, along with the other Dagannoth Kings, can drop the dragon hatchet.

Obtaining all unique drops from the Kings will unlock the [Name] Bukalla's Heir title.

Strategies

Dagannoth Rex is extremely weak to magic attacks, specifically fire spells. Whoever is killing him may want to use the southeastern side, as he can be easily fought there due to his large size.

Many players trap him as his melee attacks will be unable to attack the player. There are many safespots around the arena, but it's best to use a few if you only want to kill him. The best ones would be on the eastern side, as no kings will interfere unless they have been alerted to your presence (e.g. a player moves to your spot with Supreme on him, which makes you also get attacked with ranged).

Because Dagannoth Rex can easily be safe spotted, he is the easiest Dagannoth King to fight.

Drops

Headless arrow 5
This section or article is incomplete.
Reason: New drop tables released on 19 September 2016.
You can discuss this issue on the talk page or edit this page to improve it.

100% drops

Item Quantity Rarity GE price
Dagannoth bonesDagannoth bones1Always5,431
Dagannoth hideDagannoth hide1Always4,027

Main drops

Item Quantity Rarity GE price
Coins 10000Coins2,611–13,034Common2,611–13,034
Berserker ringBerserker ring1Rare (1/128)[d 1]76,386
Warrior ringWarrior ring1Rare (1/128)[d 1]19,917
Dagannoth Kings teleportDagannoth Kings teleport1Uncommon14,811
Dagannoth bonesDagannoth bones5–11 (noted)Uncommon27,155–59,741
Keg of beerKeg of beer1Common2,260
Rock-shell legsRock-shell legs1Rare38,310
Rock-shell plateRock-shell plate1Rare38,428
Mithril kiteshieldMithril kiteshield1Common3,577
Mithril platebodyMithril platebody1Common2,489
Mithril full helmMithril full helm1Common1,836
Mithril plateskirtMithril plateskirt1Uncommon2,197
Rock-shell helmRock-shell helm1Rare20,955
Super attack (3)Super attack (3)2–3Uncommon6,432–9,648
Super strength (3)Super strength (3)2–3Uncommon11,842–17,763
Dragon hatchetDragon hatchet1Rare (1/128)[d 1]1,385,922
Rune warhammerRune warhammer1Uncommon23,389
Rune platebodyRune platebody1Rare37,905
Berserker helmBerserker helm1Uncommon45,513
Warrior helmWarrior helm1Uncommon45,515
Fremennik helmFremennik helm1UncommonNot sold
Fremennik shieldFremennik shield1UncommonNot sold
Fremennik bladeFremennik blade1RareNot sold
Rare drop tableRare drop table1RareNot sold

Tertiary drops

Item Quantity Rarity GE price
Sealed clue scroll (hard)Sealed clue scroll (hard)1RareNot sold
Sealed clue scroll (elite)Sealed clue scroll (elite)1Rare[d 2]Not sold
Shrivelled dagannoth clawShrivelled dagannoth claw1Very rare[d 3]Not sold
  1. ^ a b c Mod Timbo. "Revealing Drop Rates." 27 October 2017. Developers' Blogs.
  2. ^ There is a 1% chance of this being a sealed clue scroll (master) instead
  3. ^ Has a base drop rate of 1/2,500 with a threshold of 1,500.

Rare drop table drops

This monster has access to the rare drop table.
Luck-enhancing items such as a ring of wealth or luck of the dwarves are not required to access the table.
Show/hide rare drop table
Item Quantity Rarity GE price
Coins 250Coins250–500Common250–500
Uncut sapphireUncut sapphire1Common683
Uncut emeraldUncut emerald1Common1,575
Uncut rubyUncut ruby1Common1,181
Uncut diamondUncut diamond1Common2,147
Uncut diamondUncut diamond45–55 (noted)Rare96,615–118,085
Loop half of a keyLoop half of a key1Common17,695
Tooth half of a keyTooth half of a key1Common19,243
Uncut dragonstoneUncut dragonstone1Uncommon10,932
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare491,940–601,260
Dragon longswordDragon longsword1Common58,024
Dragon spearDragon spear1Rare36,204
BattlestaffBattlestaff180–220 (noted)Rare1,094,760–1,338,040
Rune javelinRune javelin5Rare910
Rune platebodyRune platebody1Uncommon37,905
Rune platebodyRune platebody15–25 (noted)Rare568,575–947,625
Shield left halfShield left half1Rare64,688
Dragon helmDragon helm1Uncommon58,863
Rune arrowheads 5Rune arrowheads113–137Common22,035–26,715
Onyx bolts 5Onyx bolts135–165Very rare1,070,010–1,307,790
Chaos talismanChaos talisman1Rare1,526
Nature talismanNature talisman1Rare1,437
Water talismanWater talisman65–82 (noted)Rare473,915–597,862
Earth talismanEarth talisman65–82 (noted)Rare151,385–190,978
Fire talismanFire talisman25–35 (noted)Rare45,550–63,770
Raw lobsterRaw lobster135–165 (noted)Common20,925–25,575
Raw sharkRaw shark225–275 (noted)Uncommon231,300–282,700
Big bonesBig bones68–82 (noted)Uncommon16,592–20,008
Dragon bonesDragon bones180–220 (noted)Rare312,300–381,700
CoalCoal200–1,100 (noted)Uncommon26,800–147,400
Gold oreGold ore90–110 (noted)Common14,850–18,150
Adamantite oreAdamantite ore180–220 (noted)Uncommon261,720–319,880
Adamant barAdamant bar14–16 (noted)Common37,604–42,976
Adamant barAdamant bar135–165 (noted)Rare362,610–443,190
Runite oreRunite ore90–110 (noted)Rare1,052,640–1,286,560
Rune barRune bar(noted)Common40,881
Rune barRune bar45–55 (noted)Rare613,215–749,485
Grimy torstolGrimy torstol90–110 (noted)Uncommon286,200–349,800
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon88,650–108,350
Super restore (4)Super restore (4)45–55 (noted)Uncommon130,230–159,170
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon140,940–172,260
Lantadyme seed 5Lantadyme seed14–16Uncommon5,306–6,064
Dwarf weed seed 5Dwarf weed seed14–16Uncommon9,254–10,576
Magic seed 5Magic seed4Uncommon394,820
Palm tree seed 5Palm tree seed10Rare859,470
FlaxFlax450–550 (noted)Common18,900–23,100
Molten glassMolten glass45–55 (noted)Common8,820–10,780
Soft claySoft clay450–550 (noted)Uncommon216,000–264,000
Yew logsYew logs68–82 (noted)Uncommon10,336–12,464
Yew logsYew logs675–825 (noted)Rare102,600–125,400
Teak plankTeak plank45–55 (noted)Uncommon33,660–41,140
Mahogany plankMahogany plank270–330 (noted)Rare287,550–351,450
Blurberry SpecialBlurberry Special1Uncommon7,734
Vecna skullVecna skull1Very rare*241,411
Hazelmere's signet ringHazelmere's signet ring1Very rare*2,052,582,424
Brawling gloves (Melee)Brawling gloves (Melee)1Very rareNot sold
Brawling gloves (Magic)Brawling gloves (Magic)1Very rareNot sold
Brawling gloves (Ranged)Brawling gloves (Ranged)1Very rareNot sold
Brawling gloves (Agility)Brawling gloves (Agility)1Very rareNot sold
Brawling gloves (Cooking)Brawling gloves (Cooking)1Very rareNot sold
Brawling gloves (FM)Brawling gloves (FM)1Very rareNot sold
Brawling gloves (Fishing)Brawling gloves (Fishing)1Very rareNot sold
Brawling gloves (Hunter)Brawling gloves (Hunter)1Very rareNot sold
Brawling gloves (Mining)Brawling gloves (Mining)1Very rareNot sold
Brawling gloves (Prayer)Brawling gloves (Prayer)1Very rareNot sold
Brawling gloves (Smithing)Brawling gloves (Smithing)1Very rareNot sold
Brawling gloves (Thieving)Brawling gloves (Thieving)1Very rareNot sold
Brawling gloves (WC)Brawling gloves (WC)1Very rareNot sold
Crystal triskelion fragment 1Crystal triskelion fragment 11Very rareNot sold
Crystal triskelion fragment 2Crystal triskelion fragment 21Very rareNot sold
Crystal triskelion fragment 3Crystal triskelion fragment 31Very rareNot sold

Universal drops

Universal drops are dropped by nearly every monster outside of Daemonheim.
These drops are dropped alongside main drops.
Item Quantity Rarity GE price
Key tokenKey token1RareNot sold
Mimic kill tokenMimic kill token1Very rare10,059

Feats

  • Baroo Quality (RuneScore 35) - Defeat a Dagannoth King whilst wearing full yak-hide armour and a Fremennik round shield.
  • Dagannoth Traffic Wardens (RuneScore 40) - Defeat the Dagannoth Supreme with each different colour variation of Balmung.
  • They All Fell Down (RuneScore 40) - Defeat the Dagannoth Kings all within 5 seconds of each other.
  • Long live the Kings! (RuneScore 0) - Obtained a collection of unique drops from the Dagannoth Kings.

Trivia

Dagannoth Rex (christmas)

Dagannoth Rex wearing a santa hat during Christmas.

  • "Rex" is a Latin word meaning "king", referring to him being one of the three Dagannoth kings.
  • The Dreadnip has a far lower chance of successfully hitting Dagannoth Rex than any other Dagannoth King.
  • Dagannoth Rex is the only Dagannoth King that is not stun immune.
  • Prior to their Graphical Update on 19 September 2016, Dagannoth Rex, along with Dagannoth Supreme and Prime, had a hook-shaped left arm, although Rex is the only one who used it to attack opponents.