Abyssalbane bolts (unf) are made by smithing Abyssalbane bars on a Kethsian anvil, requiring level 82 Smithing, producing 50 unfeathered bolts and giving 62.5 experience per bar. Feathers can then be attached to the unfeathered bolts to create Abyssalbane bolts, requiring level 80 Fletching and giving 70 experience per set of 10 bolts feathered.