Eager edge sword

So I’ve been farming dares of eternity for like 2 months to get enough half truths to craft and only have 4 patterns, does anyone have any tips on getting one faster or am I just doomed to playing 10 dares a day for eternity? Oh and I am swapping characters once I get 3 red borders for the week but some weeks I I don’t get enough red borders to swap characters. Also I’m kinda new I have about 400 hours in the game give or take

Edit first onslaught I do this morning I get an eager edge sword 😂