Simplify the following text for a Grade 6 native English-speaking person.
Original: The halberd is a two handed pole weapon that has a axe blade topped with a spike mounted on a long shaft and a hook or thorn on the back side of the axe blade .
Simplified: The halberd consists of an axe blade topped with a spike mounted on a long shaft . It always has a hook or thorn on the back side of the axe blade for grappling mounted combatants .