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Introduction

There are three species of gemstone dragons - Dragonstone dragons, Onyx dragons, and Hydrix dragons.

⬥ To kill them off-task in gemstone mines, you need to buy KC through these following uncut gems:

‎ ‎ ‎ ‎• dstone - Allows 2 kills each

‎ ‎ ‎ ‎• uncutonyx - Allows 400 kills each

‎ ‎ ‎ ‎• uncuthydrix - Allows 4000 kills each

⬥ If killing them in the wilderness mandrith or Dragonkin Laboratory bsd, payment is not needed.

⬥ Due to their low profitability but relatively high slayer EXP rates, they should be only be killed on-task for slayer EXP and heavily improved rare drop rates.

‎ ‎ ‎ ‎• All presets hence assume slayerhelm buffs are active on the Anachronia helmet stand.

‎ ‎ ‎ ‎• For active methods, ranged range is preferred with mechchin and jasdragonbanearrow

‎ ‎ ‎ ‎• For AFK methods Magic with animatedead is better, although range methods are still available.

⬥ Besides autos and standard dragonbreath attacks, each species of gemstone dragon has a special attack which fires out a set of gemstone spikes, creating a 3x3 area centered around the player after a delay, dealing high magic damage. Additionally, gemstone spikes have the following effects:

⬥ Dragonstone Dragon: Halves the duration of antifires and super antifires.

‎ ‎ ‎ ‎• This does NOT work only on extended super antifires.

⬥ Onyx Dragon: Heals the dragon by up to 5000 LP.

⬥ Hydrix Dragon: Drains adrenaline to 0 and halves adrenaline gain for 15 seconds.

Desirable Drops

⬥ Besides the Draconic Visage (1/10000) which most dragons drop, different dragons drop the different pieces of Gemstone Armour (T80 hybrid, unaugmentable) required for the Karamja slayer log:

‎ ‎ ‎ ‎• Dragonstone Dragon: Gemstone Gloves and Boots

‎ ‎ ‎ ‎• Onyx Dragon: Gemstone Helmet and Greaves

‎ ‎ ‎ ‎• Hydrix Dragon: Gemstone Hauberk

⬥ All Gemstone dragons have a static droprate for Armour pieces at a rate of 1/2500 off-task and 1/1000 on-task.

‎ ‎ ‎ ‎• For Dragonstone and Onyx Dragons this is then 50% chance to be either of the pieces they can drop.

Location and How to Get There

⬥ Gemstone dragons are located below the Shilo Village Mines. A ladder leads to the cavern beside Kelhar, which requires Karamja Gloves 3 or above to access.

‎ ‎ ‎ ‎• The teleport option on Karamja Gloves 3 or higher is the fastest way to access the cavern.

⬥ They are also found in the Wilderness Dungeon just south of mandrith. The quickest way to get there is by teleporting to mandrith using the Slayer Cape slayercape, walk south and down the ladder.

Useful Items and Unlocks

Useful Items and Unlocks
Improves KPH/Exp rates/QoL.
Item unlocks
Scrimshaw of Sacrifice sacrificescrim     • Can be used for 50% increased slayer and combat exp     • Feasible as dragons have high base slayer exp and are not killed for profit. ⬥ Dragon slayer gloves dragonslayergloves     • Can be used as a switch for 15% more slayer exp, or camped at the cost of slightly less KPH from losing cinderbanes passive. ⬥ Demon horn necklace demonhornnecklace     • If AFKing and not using the sacrificescrim, players can use this to upkeep prayer points. ​
Passive unlocks
Restocking Cannon Ability     • Allows cannon restocking without user input. ⬥ Death ward deathward     • Aids player survivability if hit by gemstone spikes, especially when AFK.

Dragonstone dragons

Dragonstone dragons are the easiest of the 3 and should only be done for the slayer log or if under levelled. If under geared or not confident, using extended super antifires is recommended to take less damage from dragonbreath, especially if AFKing.

Stats

slayer level: 95

combat XP per kill: 2781.4 + 917.8 HP

slayer XP per kill: 1448.4

⬥ Optimal kills per hour - ~278 magic range, ~400 necromancy

⬥ Optimal slayer XP hour - 402k magic range , 580k necromancy

⬥ Optimal slayer XP hour with sacrificescrim - 603k magic range, 870k necromancy

necromancy Method and Where to stand

⬥ Place cannon cannon on yellow tile as shown below.

⬥ Pray soulsplit and sorrow/ruination

magic/range Method and Where to stand

⬥ It is ideal to kill them one at a time, using an oldakcoil to cycle through 2 spawns in the south eastern corner of the cavern.

⬥ Pray soulsplit and t95/t99 curse for the respective style.

⬥ Place cannon cannon on yellow tile as shown below, and stand on the red tile so you avoid the special attacks.

Presets and Relics

Preset Suggestions

Action Bars

⬥ Ranged

⬥ Magic

⬥ Necromancy necromancy

Video Examples

AFK Magic magic - Don't stand in position of this video if you want to avoid specs.

AFK Necro necromancy

Onyx dragons

Onyx dragons generally aren't done much unless for the slayer log, as players at this level should simply boost to kill Hydrix dragons actively for faster exp.

Stats

slayer level: 98

combat XP per kill: 2500 combat + 825 constitution

slayer XP per kill: 1858.8

⬥ Optimal kills per hour - ~270 magic (AFK), ~400 necromancy (AFK)

⬥ Optimal slayer XP hour - 500k magic, 744k necromancy

⬥ ⬥ Optimal slayer XP hour with sacrificescrim - 750k magic, 1.115m necromancy

Where to stand

⬥ Place cannon cannon on yellow tile as shown below if using necromancy. If using magic, use oldakcoil instead.

Method: AFK Magic/Necro magic/necromancy

Magicmagic

Stand two tiles south of the oldakcoil, ensure animatedead, weppoison and elderovl are active at all times.

Pray soulsplit and torment/affliction

Necromancynecromancy

Ensure elderovl, weppoison and powderofpenance are active at all times

Pray deflectmage and sorrow/ruination

T90 Deathwarden can be substituted for T95 gear if not owned, but will receive ~10% less kph.

Presets and Relics

Preset Suggestions

Action Bars

⬥ Magic magic

⬥ Necromancy necromancy

Video Examples

AFK Magic magic

AFK Necro necromancy

Hydrix dragons

Hydrix dragons is relevant to players desiring slayer log completion and high exp rates. They provide more than twice the slayer exp per kill of Onyx dragons and is considered one of the highest exp/hr tasks in the game if done actively.

Stats

slayer level: 101

combat XP per kill: 3000 + 990 HP

slayer XP per kill: 4768.8

⬥ Optimal kills per hour - >350 range, ~300 necromancy

⬥ Optimal slayer XP hour - 1.66m range, 1.43m necromancy

⬥ Optimal slayer XP hour with sacrificescrim - 2.5m range, 2.15m necromancy

Presets and Relics

Preset Suggestions

Method: Active Ranged

Use to the low accuracy of melee and the existence of jasdragonbanearrow, range is the best style for slaying hydrix dragons actively.

⬥ Place the oldakcoil and position as shown in the picture below. Place your gdeathsswift around the area the player is positioned in the picture.

⬥ The main dragons you'll be chinning are the ones in the top right (yellow box) which your oldakcoil will aggro and align for you. The dragons shown in the blue and red boxes can be opportunistically chinned if you manage to lure them correctly.

‎ ‎ ‎ ‎• Use sgb eofspec, snap, rapid and shadowtend with mechchin prioritised in that order to quickly AoE pairs down.

‎ ‎ ‎ ‎• Chin Deadshot mechchin deadshotigneous can be used when out of gdeathsswift

‎ ‎ ‎ ‎• Use dommine and Tuskas to quickly kill dragons single target.

⬥ Pay close attention to the dragons' specs especially if you have more than 2 attacking you.

necromancy Method and Where to stand

⬥ Place cannon cannon on yellow tile as shown below

⬥ Pray deflectmage and sorrow/ruination

⬥ Ensure elderovlsalve and weppoison are active at all times

magic Method and Where to stand

infernalpuzzlebox buff, and jasboost buff can help increase KPH in the wilderness.

⬥ Place oldak coil oldakcoil on yellow tile and stand on the red tile as shown below.

⬥ Pray soulsplit and torment/affliction

⬥ ⬥ Ensure elderovlsalve and weppoison are active at all times

Action Bars

⬥ Necromancy necromancy

⬥ Magic magic

Video Examples

Hydrix dragon AFK (Necro)

Hydrix dragon Active (Ranged)