You have acquired further Nightmare Essences but are out of Hive curios with which to create more Dreambane armor.
After discovering the Hive's ability to shield themselves from the Nightmares, Eris learned of a dark power possessed by the Hive inside the Scarlet Keep. This power may be our answer to how they've protected themselves—and our key to creating more Dreambane armor.
Investigate the dark power within the Scarlet Keep.