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MAJOR BUG - MULTIPLE MUND. STONES ACTIVE - PLS FIX ASAP ZOS!!!!
Short answer is DKs likely won't be seeing a ton of changes before we go live; this class is still quite powerful (as it should be being a tank), even after some of the adjustments we've made to other classes and abilities.
This thread is currently being addressed in the link you provided in the OP. For updates, please refer to the thread being updated at Multiple Mundus Stones