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you do a special bounty for the queen, which you just get from thebbounty slot. they were purple. after you complete one, you got a "Queens Wrath Token" where you had to do a random story mission on a way harder difficulty. rewards kind of sucked, but her sniper was nice, and so was her ships.
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Some armor had good perks. I ended up using one helm all the way until dlc :) had a special energy for non guardian kills which was kinda handy (that and I never found a raid helm). But I only got to run a few missions as I wasn't high enough level until the last night or so