Behemoth Horn

Behemoth Horn is a treasure.

Source
Behemoth Horn can be purchased from the Burbost Souvenir Emporium for 5,000 gil. It can also be found as a collectible in the following areas:


 * The treasure spot north of Killiam Haven (the Wiz Chocobo Post is south-west of the haven)
 * Deadeye's Lair

It can be obtained as a drop (100% chance) after breaking the appendages of the following creatures:


 * Behemoth
 * Behemoth King
 * Behemoth Tyrant
 * Deadeye
 * Dread Behemoth
 * Rogue Behemoth