Chewed bones detail

Chewed bones are obtained from killing Mithril dragons in the Ancient Cavern or Brimhaven Dungeon resource dungeon. No other monsters in the Ancient Cavern will drop chewed bones, and looting the skeletons won't give chewed bones either (only mangled bones).

When these bones are put on a pyre ship and burnt (requires a tinderbox, hatchet and any type of non-pyre log), they will summon a Barbarian spirit, who may thank you for putting his soul to rest with an item. The reward may be a Dragon full helmet, various potions, runes or projectile ammunition. Many players will attempt killing mithril dragons in the hopes of obtaining a dragon full helmet drop; if unsuccessful, they can take any gained chewed bones to be burned in a pyre ship for another chance at gaining a dragon full helmet, however the chances of that are also rare. Note that using higher level logs does not increase chances of receiving a dragon full helm.

Burning chewed bones via a pyre ship provides an experience bonus to burying any bones or spreading any demon ashes afterward. This bonus accumulates. Burning 2 chewed bones consecutively provides a bonus for burying twice as many bones as burning one chewed bone. Dying does not remove the accumulation of bonuses. Experience gained from the bonecrusher does not receive this bonus.

Unlike with mangled bones dropped by skeletons and warriors, the bonecrusher doesn't automatically crush chewed bone drops from mithril dragons.

Players will always receive a drop upon their first kill for completion of Barbarian Training.

Drop sources

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For an exhaustive list of all known sources for this item, see here.
Source Combat level Quantity Rarity
Mithril dragon1121Rare


Item Quantity Rarity GE price
Dragon full helmDragon full helm1Very rare1,223,215
Death runeDeath rune8–15Common1,856–3,480
Blood runeBlood rune4–7Common2,712–4,746
Big bonesBig bones10Rare2,030


Item Quantity Rarity GE price
Super attack mix (2)Super attack mix (2)1Uncommon657
Super attack mix (1)Super attack mix (1)1Uncommon359
Prayer mix (2)Prayer mix (2)1Common1,251
Prayer mix (1)Prayer mix (1)1Common944
Ranarr potion (unf)Ranarr potion (unf)2Common5,674
Fishing mix (2)Fishing mix (2)1Rare155
Super defence mix (2)Super defence mix (2)1Uncommon523
Super defence mix (1)Super defence mix (1)1Uncommon104
Antifire mix (2)Antifire mix (2)1Uncommon2,967
Antifire mix (1)Antifire mix (1)1Uncommon1,530
Anti-p supermix (1)Anti-p supermix (1)1Common915
Anti-p supermix (2)Anti-p supermix (2)1Common615
Super strength mix (1)Super strength mix (1)1Common620


Item Quantity Rarity GE price
Mithril grappleMithril grapple1–2Common2,823–5,646
Silver bolts 5Silver bolts5Common195
Runite bolts 5Runite bolts10Uncommon1,970
Rune arrow 5Rune arrow10Common1,510
Adamant knifeAdamant knife20Uncommon7,480
Adamant dartAdamant dart20Common880


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