Mass Effect 2 and 3 lead writer Mac Walters returns with an essential story from BioWare''s massively anticipated video game, Mass Effect 3 The Omega space station is the center of lawlessness in the galaxy, a den of vice ruled by the deadly asari Aria. It is also a strategic foothold in a galaxy-wide power struggle, and when the station comes under attack from a new threat unleashed by the humanity-first organization Cerberus, Aria is forced to become more ruthless than ever to protect her home - and her dominion