I just did the Warden of Nothing Nightfall and finished with a score of 164k. The triumph did not check off despite me using Bad Juju, Inaugural Address, and Bane of Sorrow. It did not check off for my buddy either with him using a similar setup. Only way I can think of this not being bugged is if my armor all has to be the corresponding armor as well. If so, it is very unclear on that