Reinforced dragon bones detail

Reinforced dragon bones are obtained as a drop from rune dragons and elite rune dragons. They are also a possible reward when turning in daily challenges. Reinforced dragon bones give 190 Prayer experience when buried, 760 Prayer experience when offered at the Ectofuntus, or 665 Prayer experience when offered at a gilded altar with 2 burners lit.

Drop sources

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For an exhaustive list of all known sources for this item, see here.
Source Combat level Quantity Rarity
Black stone dragon25001Always
Elite rune dragon1301Always
Rune dragon1271Always
Verak Lith14501Always


[FAQ] • [doc]

Cost and XP analysis

Bury Gilded altar or
Chaos Temple
Ectofuntus Cremation
Experience 190 665 760 855 (Total) 475 (Prayer) + 380 (FM)
Cost per XP -115.2 -32.9 -28.8 -25.6 (Total) -46.1 (Prayer) or -57.6 (FM)
  • It is assumed that two burners are lit while using the gilded altar and does not include the cost of clean marrentill.


  • A player choosing to use reinforced 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 428,881,782.
    • Additionally the first bone would take them straight to level 7 Prayer.
    • Using the ectofuntus would cost 375,271,559, but would take far longer to do. Simply burying the bones would cost 1,501,086,235.
    • Cremating the bones would cost 600,434,494, and would additionally give 10,427,545 Firemaking experience.
  • Reinforced dragon bones were originally called rune dragon bones upon release, and their examine text was "Dragon bones infused with runite ore." This was changed into their current name with the 10 April 2017 update.
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