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The black stone dragon is the final boss in the Dragonkin Laboratory.

She was created by Kerapac, who implanted black stones onto a dragon from Vicendithas' old batch. The dragon also had a sister dragon; her whereabouts are unknown. The dialogue during the fight and the dragonkin research diary suggest that the black stone implants allowed Xau-Tak to influence her, which corrupted the dragon into her current form. After an accident which saw the destruction of another specimen, Kerapac sealed her away in the laboratory, for fear of her extremely uncontrollable nature.

Drops[]

100% drops[]

The black stone dragon has two 100% rolls: one for the unique items (onyx dust, codex, pet, energy) and another for common drops (uncut gems and bolt tips). For clarity, the two tables are separated.

Item Quantity Rarity GE price
Reinforced dragon bonesReinforced dragon bones1Always21,881
Onyx dustOnyx dust10–29Varies[1 1]215,220–624,138
Draconic energyDraconic energy1–110Varies[1 2]254,400–27,984,000
Mutated Barge ability codexMutated Barge ability codex1Very rare[1 3]184,992,983
Inert black stone crystalInert black stone crystal1Varies[1 4]Not sold
Uncut onyxUncut onyx1Rare(1/500)2,297,944
Uncut diamondUncut diamond10–25 (noted)Common(1/2)48,430–121,075
Uncut dragonstoneUncut dragonstone1–10 (noted)Uncommon(3/10)12,077–120,770
Onyx bolt tipsOnyx bolt tips50–75Uncommon(1/25)355,350–533,025
Hydrix bolt tipsHydrix bolt tips50–75Common(1/10)450,700–676,050
Perfect gemstone scalesPerfect gemstone scales1Common(1/10)Not sold
  1. ^ Rolled if the codex, pet and energy drop fails; only in group encounters since solo encounters guarantee draconic energy.
  2. ^ 4-8 guaranteed when defeating the boss in a solo encounter, with a hard cap of 110 energies, with the higher amounts of energy being significantly rarer. In group encounters, there is a 3/10 chance for 1-20 energies, with the higher amounts of energy being significantly rarer. This only drops if the codex or pet drop is not rolled.
  3. ^ Has a drop rate of 1/500 in group and 1/200 in solo encounters. Highest priority in the drop table.
  4. ^ Has a base drop rate of 1/300 (solo encounters) or 1/1,500 (group encounters), with a threshold of 60 for solo encounters and 300 for group encounters. Rolled if the codex drop fails.

Main drops[]

Item Quantity Rarity GE price
Coins 1000Coins250–3,700Common250–3,700
Laboratory relic (common)Laboratory relic (common)1CommonNot sold
Laboratory relic (uncommon)Laboratory relic (uncommon)1UncommonNot sold
Laboratory relic (rare)Laboratory relic (rare)1Very rareNot sold
LogsLogs1Uncommon291
Raw swordfishRaw swordfish1Uncommon341
Weapon poison++ (1)Weapon poison++ (1)1Uncommon4,262
Prayer potion (1)Prayer potion (1)1Uncommon651
Draconic visageDraconic visage1Very rare1,187,911
Draconic energyDraconic energy1Very rare254,400
Glaiven wing-tipGlaiven wing-tip1Very rare7,908,410
Onyx dustOnyx dust1–11Very rare21,522–236,742
Dragonfire ashDragonfire ash1Very rareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold
Sealed clue scroll (elite)Sealed clue scroll (elite)1Very 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 sapphire1Common809
Uncut emeraldUncut emerald1Common2,555
Uncut rubyUncut ruby1Common1,842
Uncut diamondUncut diamond1Common4,843
Uncut diamondUncut diamond45–55 (noted)Rare217,935–266,365
Loop half of a keyLoop half of a key1Common11,053
Tooth half of a keyTooth half of a key1Common11,538
Uncut dragonstoneUncut dragonstone1Uncommon12,077
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare543,465–664,235
Dragon longswordDragon longsword1Common56,212
Dragon spearDragon spear1Rare35,861
BattlestaffBattlestaff180–220 (noted)Rare542,160–662,640
Rune javelinRune javelin5Rare905
Rune platebodyRune platebody1Uncommon37,480
Rune platebodyRune platebody15–25 (noted)Rare562,200–937,000
Shield left halfShield left half1Rare64,399
Dragon helmDragon helm1Uncommon58,601
Rune arrowheadsRune arrowheads113–137Common14,916–18,084
Onyx boltsOnyx bolts135–165Very rare1,003,725–1,226,775
Chaos talismanChaos talisman1Rare1,923
Nature talismanNature talisman1Rare1,473
Water talismanWater talisman65–82 (noted)Rare164,320–207,296
Earth talismanEarth talisman65–82 (noted)Rare12,025–15,170
Fire talismanFire talisman25–35 (noted)Rare5,225–7,315
Raw lobsterRaw lobster135–165 (noted)Common47,655–58,245
Raw sharkRaw shark225–275 (noted)Uncommon321,075–392,425
Big bonesBig bones68–82 (noted)Uncommon13,804–16,646
Dragon bonesDragon bones180–220 (noted)Rare384,480–469,920
CoalCoal200–1,100 (noted)Uncommon22,400–123,200
Gold oreGold ore90–110 (noted)Common52,830–64,570
Adamantite oreAdamantite ore180–220 (noted)Uncommon40,860–49,940
Adamant barAdamant bar14–16 (noted)Common24,654–28,176
Adamant barAdamant bar135–165 (noted)Rare237,735–290,565
Runite oreRunite ore90–110 (noted)Rare127,710–156,090
Rune barRune bar(noted)Common8,955
Rune barRune bar45–55 (noted)Rare134,325–164,175
Grimy torstolGrimy torstol90–110 (noted)Uncommon485,010–592,790
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon161,010–196,790
Super restore (4)Super restore (4)45–55 (noted)Uncommon125,910–153,890
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon130,950–160,050
Lantadyme seedLantadyme seed14–16Uncommon10,164–11,616
Dwarf weed seedDwarf weed seed14–16Uncommon11,508–13,152
Magic seedMagic seed4Uncommon209,856
Palm tree seedPalm tree seed10Rare396,000
FlaxFlax450–550 (noted)Common43,200–52,800
Molten glassMolten glass45–55 (noted)Common27,585–33,715
Soft claySoft clay450–550 (noted)Uncommon188,550–230,450
Yew logsYew logs68–82 (noted)Uncommon11,356–13,694
Yew logsYew logs675–825 (noted)Rare112,725–137,775
Teak plankTeak plank45–55 (noted)Uncommon16,740–20,460
Mahogany plankMahogany plank270–330 (noted)Rare356,670–435,930
Blurberry SpecialBlurberry Special1Uncommon12,008
Vecna skullVecna skull1Very rare*124,871
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,432,268,388
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

Dialogue[]

Achievements[]

  • Get Back, Hand! (RuneScore 5) - Use Forceful Backhand against a black hand during the Black Stone Dragon fight.
  • Shadow Wave (RuneScore 5) - Wave goodbye to a black hand.
  • Not a Moth (RuneScore 20) - Defeat the Black Stone Dragon without taking damage from any shadow flames.
  • Four in Hand (RuneScore 10) - Defeat all 4 black hands, within 10 seconds after defeating the first, during the Black Stone Dragon fight.

Trivia[]

  • The existence of the black stone dragon was first hinted at on release of the first elite dungeon, Temple of Aminishi. After releasing Seiryu from Xau-Tak's control, his dialogue refers to "another sharing his torment...under the obliterated crust of Forinthry."
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