Athena Series-Ancient Greece: Xyston
This lance-like spear is about 11-13 feet long with a massive Celestial Bronze point and a sharp butt-plate. The shaft is made of magically inhanced balsa wood.
It is at it's most effective on mounted units. With all the force of the horse running, the strength of the soilder and the wieght of the spear causes instant kill. No armor is known to withstand such a blow.