I've found a fun exploit with Totems!

Totems summoned near enemies sufficiently far from the summoner will enter combat, but won't pull the summoner into the fight. This leaves the summoner free to summon as many as desired, making fights trivial.

For optimal use, first summon an Incarnate and have it run up to enemies to start combat. This will lock enemies into the fight and will prevent anyone from taking an action.
Next, Summon totems from as far away as possible.

Using high-ground and the "Far Out Man" talent can help get enough range.
If the summons aren't done from far enough then the summoner will get pulled back into combat.

There doesn't seem to be a limit on the number of totems that can be summoned at once.

Enjoy!

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