Mass Effect 3 Walkthrough - Valhallan Threshold: Prothean Data Drive

Welcome to IGN's comprehensive Mass Effect 3 walkthrough. In this installment we do the side mission Valhallan Threshold: Prothean Data Drive.

Save videos for later by signing up or logging in

With "My Queue" you can quickly save videos to watch later.

To add an item to your queue just click the sign next to the video.

Once you've added a video visit "My Queue" to start watching!