Unicorn horn - OSRS Wiki
A unicorn horn is used to make a herblore ingredient that can be obtained as a drop from unicorns and black unicorns. It can be ground down to unicorn horn dust using a pestle and mortar. The dust can then be used as an ingredient in antipoison, super antipoison and sanfew serum potions. It is also used alongside a cowhide to summon a Unicow in the Tower of Life.
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