The Horn Spear is the spear-type weapon of Prehistoria. It is acquired at the Mammoth Graveyard by defeating the Viper Commander. It is ostensibly made from the bones the Vipers collected at the Graveyard to craft with.
The Horn Spear has a slow overhead attack, but the highest power of all Prehistoria weapons. The Horn Spear's major strength is its charged attacks can strike from range. A levelled up Horn Spear is a great advantage, especially at this early point in the game when the player is soon to fight Salabog, a difficult enemy that ranged attacks are of great use against.
The Horn Spear's level 2 attack is to throw it forward slowly, striking the first enemy it hits. The spear will lose altitude when thrown horizontally. Its level 3 attack has the Hero wind up before throwing it, resulting in a longer lag before releasing the attack, but a faster-moving projectile with higher power and the ability to strike multiple targets.