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For the Dragonkin Laboratory monster, see Hydrix dragon (Dragonkin Laboratory).
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Hydrix dragon icon

Hydrix dragons are high-level Slayer monsters requiring level 101 Slayer to kill. They are part of the gemstone dragon group, and are the strongest dragon of this type.

A total of six hydrix dragons are located in the gemstone cavern under the Shilo Village mining site. They require the completion of the hard Karamja achievements in order to access them in the gem rock cavern underneath. In order to pass the barrier to confront them, players are also required to sacrifice a number of uncut dragonstone, uncut onyx, or uncut hydrix gems - with each gem type allowing the player to kill a certain number of dragons within their respective chamber; up to a limit of storing 60,000 kills at a time.

If the player is on a gemstone dragon Slayer task, charges are neither needed nor consumed.

Entrance fee to killing hydrix dragons
Uncut gem Kills per gem Cost per kill
Uncut dragonstone Uncut dragonstone 2 5,881
Uncut onyx Uncut onyx 400 4,519
Incomplete hydrix Incomplete hydrix 4000 5,418

Getting there

The cave is located inside the gem mine in the northern part of Shilo Village in Karamja.

To be able to enter the cave players must have completed the hard Karamja achievements. To access the mine players can teleport directly to the gem mine with the option in the Karamja gloves 3 or 4.

Strategies

Hydrix dragons attack primarily with magic, although they will use both magic and melee if within melee range in addition to the regular dragon fire attack.

Hydrix dragons have a special attack in which they send a row of spikes towards the area that the player is currently standing on. After a short delay, there is a 3 by 3 square area where spikes appear, dealing magic damage and draining adrenaline to 0, while also applying a debuff where adrenaline gained is reduced to half for a few seconds. However, they will not use this special attack if the player remains within melee distance of them.

Devotion in conjunction with Protect / Deflect Magic does block all damage done by the special attack, but it does not block the adrenaline loss nor does it prevent the debuff from occuring. While one may also use Resonance to heal from the attack, due to the debuff still occurring and its crippling nature, one should dodge it instead.

It is possible to kill hydrix dragons with an aggression potion active and while not paying attention to the possible special attacks rather safely by placing a hydrix dragon soul in their own Slayer dungeon and standing on top of the dragon's spawn point. This makes it likely that the dragon targets the player before it gets out of melee distance, and thus prevents it from using its special attacks.

Drops

100% drops

Item Quantity Rarity GE price
Hardened dragon bonesHardened dragon bones1Always7,116

Charms

No charmGold charmGreen charmCrimson charmBlue charm
54–57%8–9%26–28%6–8%1–2%
Represents a 90% confidence range based on a sample of 2,788 kills.
3 charms are dropped at a time.
Add data to the log (requires JavaScript).

Main drops

Players will receive two drops from the main drop table each kill.

Item Quantity Rarity GE price
Coins 1Coins2,500; 3,000; 4,500; 10,000; 14,000; 17,000Common2,500–17,000
Runite limbsRunite limbs1Common8,920
Onyx bolt tips 5Onyx bolt tips1–2Uncommon6,835–13,670
Diamond bolt tips 5Diamond bolt tips26; 35; 40; 43Common3,042–5,031
Runite bolts 5Runite bolts6Common5,340
DiamondDiamond(noted)Common1,966
DragonstoneDragonstone(noted)Common8,891
OnyxOnyx1Very rare1,858,100
Dragonstone braceletDragonstone bracelet(noted)Uncommon10,359
Ring of wealthRing of wealth(noted)Common9,454
Draconic visageDraconic visage1Rare1,270,171
Gold oreGold ore25–35 (noted)Common4,275–5,985
Diamond ringDiamond ring(noted)Common1,594
Gemstone hauberkGemstone hauberk1Very rare263,546

Tertiary drops

Item Quantity Rarity GE price
Sealed clue scroll (hard)Sealed clue scroll (hard)1RareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold

Rare drop table

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 sapphire1Common553
Uncut emeraldUncut emerald1Common1,530
Uncut rubyUncut ruby1Common1,334
Uncut diamondUncut diamond1Common2,918
Uncut diamondUncut diamond45–55 (noted)Rare131,310–160,490
Loop half of a keyLoop half of a key1Common16,512
Tooth half of a keyTooth half of a key1Common19,083
Uncut dragonstoneUncut dragonstone1Uncommon11,761
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare529,245–646,855
Dragon longswordDragon longsword1Common58,117
Dragon spearDragon spear1Rare34,257
BattlestaffBattlestaff180–220 (noted)Rare1,154,340–1,410,860
Rune javelinRune javelin5Rare915
Rune platebodyRune platebody1Uncommon37,794
Rune platebodyRune platebody15–25 (noted)Rare566,910–944,850
Shield left halfShield left half1Rare64,613
Dragon helmDragon helm1Uncommon58,782
Rune arrowheads 5Rune arrowheads113–137Common27,572–33,428
Onyx bolts 5Onyx bolts135–165Very rare1,059,615–1,295,085
Chaos talismanChaos talisman1Rare1,257
Nature talismanNature talisman1Rare1,097
Water talismanWater talisman65–82 (noted)Rare584,935–737,918
Earth talismanEarth talisman65–82 (noted)Rare192,725–243,130
Fire talismanFire talisman25–35 (noted)Rare69,850–97,790
Raw lobsterRaw lobster135–165 (noted)Common23,895–29,205
Raw sharkRaw shark225–275 (noted)Uncommon261,225–319,275
Big bonesBig bones68–82 (noted)Uncommon19,176–23,124
Dragon bonesDragon bones180–220 (noted)Rare302,760–370,040
CoalCoal200–1,100 (noted)Uncommon27,200–149,600
Gold oreGold ore90–110 (noted)Common15,390–18,810
Adamantite oreAdamantite ore180–220 (noted)Uncommon262,980–321,420
Adamant barAdamant bar14–16 (noted)Common45,556–52,064
Adamant barAdamant bar135–165 (noted)Rare439,290–536,910
Runite oreRunite ore90–110 (noted)Rare1,077,120–1,316,480
Rune barRune bar(noted)Common41,364
Rune barRune bar45–55 (noted)Rare620,460–758,340
Grimy torstolGrimy torstol90–110 (noted)Uncommon327,510–400,290
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon98,370–120,230
Super restore (4)Super restore (4)45–55 (noted)Uncommon119,070–145,530
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon130,050–158,950
Lantadyme seed 5Lantadyme seed14–16Uncommon4,690–5,360
Dwarf weed seed 5Dwarf weed seed14–16Uncommon6,384–7,296
Magic seed 5Magic seed4Uncommon318,300
Palm tree seed 5Palm tree seed10Rare675,530
FlaxFlax450–550 (noted)Common22,050–26,950
Molten glassMolten glass45–55 (noted)Common7,020–8,580
Soft claySoft clay450–550 (noted)Uncommon205,200–250,800
Yew logsYew logs68–82 (noted)Uncommon10,268–12,382
Yew logsYew logs675–825 (noted)Rare101,925–124,575
Teak plankTeak plank45–55 (noted)Uncommon29,430–35,970
Mahogany plankMahogany plank270–330 (noted)Rare282,690–345,510
Blurberry SpecialBlurberry Special1Uncommon8,268
Vecna skullVecna skull1Very rare*223,376
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

Trivia

  • It was the first monster to have a static Slayer level above 99.
  • Upon release, the highest possible Slayer level was still 99, thus meaning one would've needed to utilise boosts to be allowed to kill them no matter what level they were. Wilder pies were released alongside the gemstone dragon update to ensure people could get consistent kills without having to reboost.
  • The experience rates were buffed a few months after release due to player complaints.