A powerful weapon tipped with metal. Unlike the spear, it cannot be thrown.
— In-game Description

The Pike is a strong melee weapon. It closely resembles the Spear; however, it is made from and tipped with metal. Unlike the Spear, the Pike cannot be thrown. The Pike deals more damage in battle than the Spear.

It also has a durability bar, making it much more reliable and longer lasting than the Spear, which appears to break randomly.