I'm for the most part completely dismissed Companions when they first appeared, but just recently I watched a guy Tank a World Boss for their Companion to DPS on, and I was actually seeing some really decent damage coming from it. Obviously they can become viable aid for you, but coming from someone who's Companion is only level 6 and barely has anything good equipped, I can't see the potential yet.
Have any of you built your Companions into actually decent Tanks, DD's or Healers? Can they survive on their own for a good while?
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