Giant bat

s are monsters commonly found in caves and dungeons. They drop bat bones which provide slightly higher Prayer experience when buried, and are used in a few quests.

Locations

 * Taverley dungeon
 * Gnome Village dungeon
 * Waterfall dungeon
 * Yanille agility dungeon
 * Crandor and Karamja dungeon

100% Drops

 * Bat bones