Either I run around getting suppressed constantly and chip away over what feels like an eternity or I go to long range which I prefer and they hide so I have to bait them, fire a shot or 2, then retreat so they hide again, which also takes an eternity.
Laaaaame.
Edit: suppression etc works on the standard ones, my beef is with the named ones who are immune to such things.
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Queenbreaker. Not necessarily "fun" if you mean "epic battle," but if you want to completely pwn one, that's how I do it.