Onyx bolts (e)

Onyx bolts (e) can be created by tipping Rune bolts with Onyx bolt tips and then enchanting them with the Lvl-6 Enchant spell from your Normal spellbook.

These bolts have a 33% chance on hit to heal your character for an amount of the damage dealt.

They give +101 ranged strength and can be used with high level crossbows.