Luminosity Sol N/A Planets Moons 0 Asteroid Belts 0 Asteroids 0 Objects 0 Location: Milky Way / Viper Nebula / Bahak Bahak is a medium system with five and an asteroid . Prerequisite: Arrival (Mass Effect 2) The system has exactly 304,942 inhabitants, according to Project Control data aboard the Project Base. Note: After completing Arrival, the Viper Nebula and the Bahak system become inaccessible.