I formed the Frame but didn't get a Quest after that and Im confused.
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There are a few more steps to finish off Before you can get your hands on the weapons. You need to hunt for calcified fragments. You need a total of 46 (the very first one you pick up does not count to the 45, it initiates the quest line) at 16 fragments you'll get a new quest from Eris. Then again at 36 and once more at 46. Upon completion of each of these quests you'll get essence of the feast. Which you do nothing with. Just talk to Eris and until you get the rest of the fragments she won't give you another step. Hope this helps.