Hardened dragon bones

Hardened dragon bones
Release	15 June 2015 (Update)
Members	Yes
Quest item	No
Properties
Tradeable	Yes
Equipable	No
Stackable	No
Disassembly	Yes
Noteable	Yes
Destroy	Drop
Values
Value	1 coin
High alch	1 coin
Low alch	1 coin
On death	Reclaimable Reclaim: 1,147 Sacrifice: 4,588
Weight	4.222 kg
Examine
Tougher than average dragon bones.
Grand Exchange
Exchange	7,648 coins (info)
Buy limit	10,000
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Advanced data
Item ID	35008
Links	MRID • recipe
FAQ • doc

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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.

Cost and XP analysis

	Bury	with the Dragon Rider amulet	Gilded altar or Chaos Temple	Ectofuntus	Cremation
XP	144	288	504	576	648 (Total)	360 (Prayer) + 288 (FM)
GP/XP	-53.1	-26.6	-15.2	-13.3	-11.8 (Total)	-21.2 (Prayer) or -26.6 (FM)

Drop sources

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To force an update of this list, click here.

For an exhaustive list of all known sources for this item, see here (include RDT).

Source	Level	Quantity	Rarity	Members
Adamant dragon	116	1	Always
Dragonstone dragon (Dragonkin Laboratory)	111	1	Always
Dragonstone dragon	119	1	Always
Hydrix dragon (Dragonkin Laboratory)	118	1	Always
Hydrix dragon	133	1	Always
Onyx dragon (Dragonkin Laboratory)	114	1	Always
Onyx dragon	126	1	Always

Disassembly

Disassembly category	Bones and remains
Disassembly XP	1.7
Item quantity required	1
Material count	2
Base junk chance	?  37.3% Your actual junk chance depends on your junk chance reduction researched. See the table below for all values, and Junk for more information. Reduction Junk chance None 1 37.3% 1 34 37.0 2 49 36.2 3 64 35.5 4 69 34.7 5 78 34.0 6 83 32.9 7 91 32.1 8 95 31.0 9 105 29.9
Possible materials
Often
Organic parts	98/100
Rarely
Pious components	2/100

Update history

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."

• update 15 June 2015 (Update):
  • Added to game.

Trivia

• 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 197,792,319 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 173,068,279, but it would take far longer to do so.
  • Cremating the bones would cost 625,471,654, and would additionally give 10,427,545 Firemaking experience.
  • Simply burying the bones would cost 692,273,114.