|Release||27 February 2002 (Update)|
|High alch||0 coins|
|Low alch||0 coins|
|Exchange||499 coins (info)|
|Examine||Ew, it's a pile of bones.|
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.
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- For an exhaustive list of all known sources for this item, see here.
|Bat (Dungeoneering)||2; 19; 36; 53||1||Always|
|Giant bat||23; 44||1||Always|
|Giant bat (Dungeoneering)||70; 86; 103; 120; 138||1||Always|
Cost and XP Analysis
|Bury|| Gilded altar or|
|Experience||5.3||18.55||21.2||23.85 (Total)||13.25 (Prayer) + 10.6 (FM)|
|Cost per XP||-2,355||-672.5||-587.5||-522.5 (Total)||-942.5 (Prayer) or -1,177.5 (FM)|
- It is assumed that two burners are lit while using the gilded altar and does not include the cost of clean marrentill.
|Item quantity required||1|
|Base junk chance||97.8%|