Hardened dragon bones

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Hardened dragon bones detail.png

Hardened dragon bones are obtained as a drop from adamant dragons and gemstone dragons. Hardened dragon bones give 144 Prayer experience when buried, 576 Prayer experience when offered at the Ectofuntus, or 504 Prayer experience when offered at a gilded altar with 2 burners lit.

Disassembly[edit | edit source]

Drop sources[edit | edit source]

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For an exhaustive list of all known sources for this item, see here (include RDT).
SourceLevelQuantityRarityMembers
Adamant dragon116 Multicombat.png1AlwaysP2P icon.png
Dragonstone dragon119 Multicombat.png1AlwaysP2P icon.png
Dragonstone dragon (Dragonkin Laboratory)111 Multicombat.png1AlwaysP2P icon.png
Falador resource bundleN/A Reward1UnknownF2P icon.png
Hydrix dragon133 Multicombat.png1AlwaysP2P icon.png
Hydrix dragon (Dragonkin Laboratory)118 Multicombat.png1AlwaysP2P icon.png
Onyx dragon126 Multicombat.png1AlwaysP2P icon.png
Onyx dragon (Dragonkin Laboratory)114 Multicombat.png1AlwaysP2P icon.png

Cost and XP analysis[edit | edit source]

Bury Gilded altar or
Chaos Temple
Ectofuntus Cremation
Experience 144 504 576 648 (Total) 360 (Prayer) + 288 (FM)
Cost per XP -62.1 -17.8 -15.5 -13.8 (Total) -24.9 (Prayer) or -31.1 (FM)
  • It is assumed that two burners are lit while using the gilded altar and does not include the cost of clean marrentill.

Trivia[edit | edit source]

  • On release, hardened dragon bones were called adamant dragon bones as only adamant dragons dropped them, with the examine text "Dragon bones infused with adamantite ore." They were changed to their current name on 10 April 2017 due to gemstone dragons sharing the same bone drop.
  • A player choosing to use hardened dragon bones all the way from 1-99 Prayer, using a gilded altar with lit burners and no other experience boosts, would, if all the bones were bought at the current medium price on the Grand Exchange, spend 231,412,875.
    • Additionally the first bone would take them straight to level 5 Prayer.
    • Using the ectofuntus would cost 202,486,265, but would take far longer to do. Simply burying the bones would cost 809,945,060.