Humans joined the galactic community after discovering a Prothean data cache on Mars in 2148. Their devotion to understanding and adapting to modern warfare left the staid Council races stunned. Humanity's persistence and unflappable spirit has taken them further than anyone in the galaxy could have imagined. Human adepts specialize in biotic crowd control, a valuable and renowned asset on the battlefield. Allies often share stories of how an enemy soldier, sneaking from behind to deliver a fatal blow, could suddenly end up floating above their squadron.