BS

BS may represent one of the following:
 * Blacksmith
 * Blacksmithing, a profession in World of Warcraft.
 * Blacksmith (Arathi Basin), a resource node in Arathi Basin.
 * Blacksmith (Building), a structure in Warcraft Real-Time Strategy.
 * Others
 * Backstab, a rogue ability.
 * Battle Shout, a warrior ability.
 * Blood Strike, a death knight ability.
 * Burning Steppes, the region of Eastern Kingdoms south of Blackrock Mountain.