For some reason I’ve revived about 8 pairs of iron truage boots and not any of the other pieces of the set. First one was a higher power level than my other armor pieces so I was stoked but the rest were all under my current power level and it made me sad that I don’t have the full set.. :(
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You have to complete the quest to unlock other armor pieces. Finishing the quest will give you a full set of the armor, and allow you to grind out randomized rolls through IB packages.