after about 25 runs, both normal and master, I got only one sinlge weapon with extractable pattern... not only that I need another one to unlock the pattern, there are three more of that weapons, two of them needing 3 times a red-framed drop.... facing the fact, that they are needed for quest progress, this is just badly desinged. on top, the activity will be worn out before the end of week 1, just because everyone has to farm it for hours and hours.... btw, most people are already afk'ing and honestly, I can not really blame them