They were already boring right after you got them as a pre order bonus in 5. I forgot they made some more after that, but those were a little less boring.
@Brute One of the few costumes I actually bought ever.
I'm playing on the Artemis blood code and by this point you get so much raw power from passives that the usual mobs die before they can even reach you. You also get ice armor which is nice for the Ornstein and Smough fight.