You lower the point of your spear and keep it between you and your foes, making any who would charge you pay a hefty price.

Encounter   ✦     Martial
Minor Action      Personal

Effect: Until the end of your next turn, you can make a melee basic attack with a spear as an immediate reaction against any enemy that moves adjacent to you during its turn. If you hit with that attack, you score a critical hit.

Published in Martial Power 2, page(s) 49.