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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 bones1Always5,836
Dagannoth hideDagannoth hide1Always4,747

Main drops

Item Quantity Rarity GE price
Coins 10000Coins2,611–13,034Common2,611–13,034
Berserker ringBerserker ring1Rare (1/128)[d 1]75,696
Warrior ringWarrior ring1Rare (1/128)[d 1]23,826
Dagannoth Kings teleportDagannoth Kings teleport1Uncommon12,611
Dagannoth bonesDagannoth bones5–11 (noted)Uncommon29,180–64,196
Keg of beerKeg of beer1Common1,809
Rock-shell legsRock-shell legs1Rare38,512
Rock-shell plateRock-shell plate1Rare38,003
Mithril kiteshieldMithril kiteshield1Common3,726
Mithril platebodyMithril platebody1Common2,540
Mithril full helmMithril full helm1Common2,187
Mithril plateskirtMithril plateskirt1Uncommon2,472
Rock-shell helmRock-shell helm1Rare20,091
Super attack (3)Super attack (3)2–3Uncommon7,838–11,757
Super strength (3)Super strength (3)2–3Uncommon13,664–20,496
Dragon hatchetDragon hatchet1Rare (1/128)[d 1]1,381,984
Rune warhammerRune warhammer1Uncommon23,218
Rune platebodyRune platebody1Rare37,480
Berserker helmBerserker helm1Uncommon44,882
Warrior helmWarrior helm1Uncommon45,281
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 sapphire1Common315
Uncut emeraldUncut emerald1Common694
Uncut rubyUncut ruby1Common1,073
Uncut diamondUncut diamond1Common2,289
Uncut diamondUncut diamond45–55 (noted)Rare103,005–125,895
Loop half of a keyLoop half of a key1Common11,720
Tooth half of a keyTooth half of a key1Common13,158
Uncut dragonstoneUncut dragonstone1Uncommon10,954
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare492,930–602,470
Dragon longswordDragon longsword1Common58,502
Dragon spearDragon spear1Rare37,045
BattlestaffBattlestaff180–220 (noted)Rare872,100–1,065,900
Rune javelinRune javelin5Rare900
Rune platebodyRune platebody1Uncommon37,480
Rune platebodyRune platebody15–25 (noted)Rare562,200–937,000
Shield left halfShield left half1Rare64,486
Dragon helmDragon helm1Uncommon59,094
Rune arrowheads 5Rune arrowheads113–137Common15,594–18,906
Onyx bolts 5Onyx bolts135–165Very rare1,079,865–1,319,835
Chaos talismanChaos talisman1Rare946
Nature talismanNature talisman1Rare885
Water talismanWater talisman65–82 (noted)Rare343,395–433,206
Earth talismanEarth talisman65–82 (noted)Rare47,580–60,024
Fire talismanFire talisman25–35 (noted)Rare19,400–27,160
Raw lobsterRaw lobster135–165 (noted)Common28,350–34,650
Raw sharkRaw shark225–275 (noted)Uncommon202,275–247,225
Big bonesBig bones68–82 (noted)Uncommon11,900–14,350
Dragon bonesDragon bones180–220 (noted)Rare344,880–421,520
CoalCoal200–1,100 (noted)Uncommon16,200–89,100
Gold oreGold ore90–110 (noted)Common22,950–28,050
Adamantite oreAdamantite ore180–220 (noted)Uncommon44,820–54,780
Adamant barAdamant bar14–16 (noted)Common21,896–25,024
Adamant barAdamant bar135–165 (noted)Rare211,140–258,060
Runite oreRunite ore90–110 (noted)Rare99,720–121,880
Rune barRune bar(noted)Common6,999
Rune barRune bar45–55 (noted)Rare104,985–128,315
Grimy torstolGrimy torstol90–110 (noted)Uncommon381,510–466,290
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon128,970–157,630
Super restore (4)Super restore (4)45–55 (noted)Uncommon162,000–198,000
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon114,660–140,140
Lantadyme seed 5Lantadyme seed14–16Uncommon4,200–4,800
Dwarf weed seed 5Dwarf weed seed14–16Uncommon4,536–5,184
Magic seed 5Magic seed4Uncommon100,804
Palm tree seed 5Palm tree seed10Rare322,160
FlaxFlax450–550 (noted)Common32,850–40,150
Molten glassMolten glass45–55 (noted)Common9,270–11,330
Soft claySoft clay450–550 (noted)Uncommon266,400–325,600
Yew logsYew logs68–82 (noted)Uncommon11,560–13,940
Yew logsYew logs675–825 (noted)Rare114,750–140,250
Teak plankTeak plank45–55 (noted)Uncommon18,405–22,495
Mahogany plankMahogany plank270–330 (noted)Rare230,850–282,150
Blurberry SpecialBlurberry Special1Uncommon8,340
Vecna skullVecna skull1Very rare*203,836
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,848,679,360
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 rare9,849

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.