12/8/2012 12:36:20 AM PermalinkO_o i think i have both of these achievements just playing with randoms haha.
12/7/2012 11:20:39 PM PermalinkI think you are confused, the achievement you are describing is What Power Outage which is on chapter 4 episode 5. This can be done using MM, that's how I got it. No Easy Way Out is on chapter 1 and all you have to do is hang back an snipe, again in MM. [Edited on 12.07.2012 3:21 PM PST]
For best results in downloading the Destiny Beta to your Xbox One, don't launch the game until the download is complete. The Destiny Beta FAQ has been updated with info on how to troubleshoot your Xbox One download (scroll down). http://www.bungie.net/en/View/Bungie/DestinyBetaFAQ
If encountering Party Stabilization errors on Xbox One: try turning off your console, fully unplugging, then plugging in and trying again.