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This article has a strategy guide here. All information on mechanics and strategy will be on this page.
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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.
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 1 Always 8,605
Dagannoth hide 1 Always 153
Weapons[]
Item Quantity Rarity GE market price
Fremennik blade 1 Common Not sold
Mithril warhammer 1 Common 691
Mithril 2h sword 1 Uncommon 1,241
Mithril pickaxe 1 Uncommon 378
Adamant axe 1 Uncommon (7/128) 520
Rune axe 1 Uncommon 7,181
Dragon axe 1 Rare (1/128) 36,332
Armour[]
Item Quantity Rarity GE market price
Steel kiteshield 1 Common 265
Steel platebody 1 Common 901
Adamant platebody 1 Uncommon 9,407
Fremennik shield 1 Uncommon 1,579
Fremennik helm 1 Rare Not sold
Rock-shell plate 1 Rare (1/128)[1] 38,612
Rock-shell legs 1 Rare (1/128)[1] 38,446
Ring of life 1 Rare (1/128) 1,902
Berserker ring 1 Rare (1/128)[1] 2,822,796
Warrior ring 1 Rare (1/128)[1] 39,359
Potions[]
Item Quantity Rarity GE market price
Antifire potion(2) 1 Uncommon 108
Prayer potion(2) 1 Uncommon 4,943
Super attack(2) 1 Uncommon 85
Super strength(2) 1 Uncommon 771
Super defence(2) 1 Uncommon 287
Zamorak brew(2) 1 Uncommon 1,409
Restore potion(2) 1 Uncommon 68
Ores and bars[]
Item Quantity Rarity GE market price
Adamantite bar 1 Uncommon 1,904
Mithril ore 25 (noted) Uncommon 4,125
Coal 100 (noted) Uncommon 16,200
Iron ore 150 (noted) Rare 25,950
Steel bar 15–38 (noted) Rare 7,095–17,974
Food[]
Item Quantity Rarity GE market price
Bass 5 Uncommon 1,000
Swordfish 5 Uncommon 1,620
Shark 5 Uncommon 4,605
Talismans[]
There is a 1 in 128 chance of rolling the talisman table.[2]
Item Quantity Rarity GE market price
Air talisman 1 Rare (1/896) 92
Mind talisman 1 Rare (1/896) 3,875
Water talisman 1 Rare (1/896) 171
Earth talisman 1 Rare (1/896) 310
Fire talisman 1 Rare (1/896) 4,924
Body talisman 1 Rare (1/896) 1,028
Cosmic talisman 1 Very rare (1/2,240) 784
Chaos talisman 1 Very rare (3/8,960) 505
Nature talisman 1 Very rare (3/8,960) 744
Other[]
Item Quantity Rarity GE market price
Rare drop table 1 Common (1/16) Not sold
Ensouled dagannoth head 1 Common (1/20) 3,801
Coins 126–3,000 Uncommon Not sold
Grimy ranarr weed 1 Uncommon 7,640
Clue scroll (hard) 1 Uncommon (1/42) Not sold
Clue scroll (elite) 1 Rare (1/750) Not sold
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 3,000 Uncommon (1/93.09) Not sold
Loop half of key 1 Rare (1/101.61; 1/101.34)[R 1] 10,307
Tooth half of key 1 Rare (1/106.91; 1/106.62)[R 1] 10,840
Uncut sapphire 1 Rare (1/409.6; 1/307.2)[R 1] 455
Runite bar 1 Rare (1/409.6) 12,368
Nature talisman 1 Rare (1/590.41; 1/564.97)[R 1] 744
Nature rune 67 Rare (1/682.67) 14,539
Rune 2h sword 1 Rare (1/682.67) 37,758
Rune battleaxe 1 Rare (1/682.67) 24,487
Uncut emerald 1 Rare (1/819.2; 1/614.4)[R 1] 679
Law rune 45 Very rare (1/1,024) 7,470
Death rune 45 Very rare (1/1,024) 9,135
Steel arrow 150 Very rare (1/1,024) 4,800
Rune arrow 42 Very rare (1/1,024) 2,940
Adamant javelin 20 Very rare (1/1,024) 1,220
Rune sq shield 1 Very rare (1/1,024) 22,459
Dragonstone 1 Very rare (1/1,024) 11,932
Silver ore 100 (noted) Very rare (1/1,024) 7,000
Uncut ruby 1 Very rare (1/1,638.4; 1/1,228.8)[R 1] 1,249
Rune kiteshield 1 Very rare (1/2,048) 32,015
Dragon med helm 1 Very rare (1/2,048) 58,488
Rune spear 1 Very rare (1/2,162.01)[R 2] 11,933
Shield left half 1 Very rare (1/4,324.02)[R 2] 65,697
Dragon spear 1 Very rare (1/5,765.37)[R 2] 37,226
Uncut diamond 1 Very rare (1/6,553.6; 1/4,915.2)[R 1] 2,627
Rune javelin 5 Very rare (1/13,107.2; 1/9,830.4)[R 1] 875
References[]
| Dagannoth |
Dagannoth spawn • Dagannoth fledgeling • Dagannoth (Lighthouse) (Waterbirth) (POH) |
| Bosses | |
| Pets | |
