Whereas the first Mass Effect introduced you to the reapers and Mass Effect 2 had you going on a suicide mission, the last game of the trilogy, Mass Effect 3, placed the fate of the entire universe in your hands as you led the charge against the incoming Reaper invasion. So it sure helps to have the best of the best backing you up on all of your missions.

Below is our Mass Effect 3 companions guide, where you'll find the eight characters that you can recruit in the game, as well as where you can find them and how you can get them to join your squad.

Ashley Williams

Mass Effect 3 Companions Guide: Who, What, Where, And How

Provided that you didn't leave Ashley Williams to die in the first Mass Effect during the Virmire mission, Ashley Williams will return in Mass Effect 3. You can recruit Ashley to join your team during Act II during the Priority: Mars mission.

As an Alliance Officer with a unique power in Marksman, Ashley's weapon damage potential is second only to Garrus. We recommend maxing out her Marksman and evolving it to improve her fire rate and duration. As for her weapon, Ashley is best utilized when she has an assault rifle with a high magazine count like the N7 Typhoon.

Mass Effect 3 Companions Guide: Who, What, Where, And How

Ashley can also combo her Inferno Grade with Concussive Shot. However, her Disruptor Ammo should not be underestimated as well. Unlike in Mass Effect 2, Disruptor Ammo now works against both barriers and shields. Kaidan Alenko We learn in Mass Effect 3 that Kaidan had no choice but to become who he is today.