Okay, so you know when Variks says, "Dismantle mines, yesss?", and then weird spiky things appear everywhere? It turns out, if you [i]stand in the circle underneath them, [b]YOU WONT DIE[/b][/i].
Edit: It seems you may also have to fire your weapon in the general direction of enemies [i]while[/i] you stand in the circle. Complicated stuff.
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Screenshots or it never happened.