Ardents, artificers, avengers, barbarians, bards, battleminds, clerics, druids, fighters, invokers, paladins, psions, rangers, runepriests, seekers, shamans, sorcerers, swordmages, vampires, wardens, warlocks, and warlords are proficient with all simple melee weapons, including the Short Spear. Assassins are proficient with one-handed simple melee weapons, including the Short Spear. Other classes do not have proficiency with the Short Spear as a class trait, but any character can become proficient by taking a Weapon Proficiency feat.