Bat bones

RSCOS

For the variant encountered in Daemonheim, see Bat bones (Dungeoneering).

Bat bones
Detailed
Release	27 February 2002 (Update)
Members	No
Members	No
Quest item	No
Quest item	No
Tradeable	Yes
Tradeable	Yes
Equipable	No
Equipable	No
Stackable	No
Stackable	No
Disassembly	Yes
Disassembly	Yes
Noteable	Yes
Noteable	Yes
Value	1 coin
Value	1 coin
High Alchemy	0 coins
High Alchemy	0 coins
Low Alchemy	0 coins
Low Alchemy	0 coins
Destroy	Drop
On death	Reclaimable
On death	Reclaimable
Reclaim	1
Reclaim	1
Sacrifice	4
Sacrifice	4
Exchange	1,012 coins (info)
Buy limit	10,000
Weight	0.3 kg
Examine	Ew, it's a pile of bones.
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Bat bones are a type of bone which are dropped by bats and giant bats. When buried they give 5.3 Prayer experience, 17% more than normal bones, which give 4.5 experience. Using bat bones on a prayer altar in a dungeon in Daemonheim gives 21.5 prayer experience, four times the amount of prayer experience obtained through burying. Bat bones became available to F2P after the Dungeoneering skill was released.

Members will need bat bones for some quests, including Merlin's Crystal, Forgettable Tale of a Drunken Dwarf and Watchtower.

Drop sources

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For an exhaustive list of all known sources for this item, see here.

Source	Combat level	Quantity	Rarity
Albino bat	43	1	Always
Bat	14	1	Always
Bat (Dungeoneering)	2; 19; 36; 53	1	Always
Giant bat	23; 44	1	Always
Giant bat (Dungeoneering)	70; 86; 103; 120; 138	1	Always
Warped bat	16	1	Always
Chaos Elemental	305	5	Common

Cost and XP Analysis

	Bury	Gilded altar or Chaos Temple	Ectofuntus	Cremation
Experience	5.3	18.55	21.2	23.85 (Total)	13.25 (Prayer) + 10.6 (FM)
Cost per XP	−190.9	−54.6	−47.7	−42.4 (Total)	−76.4 (Prayer) or −95.5 (FM)

• It is assumed that two burners are lit while using the gilded altar and does not include the cost of clean marrentill.

Disassembly

Disassembly XP	0.1
Item quantity required	1
Material count	2
Base junk chance	?  97.8% 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 97.8% 1 34 96.9% 2 49 94.9% 3 64 93.0% 4 69 91.0% 5 78 89.0% 6 83 86.1% 7 91 84.2% 8 95 81.2% 9 105 78.3%
Possible materials
Often
Organic parts	98%
Rarely
Pious components	2%

Defined properties:

All Junk chance: 97.8 Junk chance: 97.8

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