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 (288 when wearing the Dragon Rider amulet), 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 -44.1 -12.6 -11 -9.8 (Total) -17.7 (Prayer) or -22.1 (FM)
  • It is assumed that two burners are lit while using the gilded altar and does not include the cost of clean marrentill.

Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • patch 10 April 2017 (Update):
    • Renamed from "Adamant dragon bones" to "Reinforced dragon bones", with the examine text changed from "Dragon bones infused with adamantite ore." to "Tougher than average dragon bones."

Trivia[edit | edit source]

  • Hardened dragon bones were changed to their current name on 10 April 2017 due to gemstone dragons sharing the same bone drop.
  • There are multiple ways to use hardened dragon bones to get from 1-99 Prayer:
    • A player choosing to use a gilded altar with lit burners and no other experience boosts would spend 164,326,934 if all the bones were bought at the current medium price on the Grand Exchange.
      • Additionally, the first bone would take them straight to level 5 Prayer.
    • Using the ectofuntus would cost 143,786,067, but it would take far longer to do so.
    • Cremating the bones would cost 408,339,758, and would additionally give 10,427,545 Firemaking experience.
    • Simply burying the bones would cost 575,144,268.