Illusory techniques? [She tilts her head a little in curiosity before nodding.]

I used them mostly for stabbing up until I was able to alchemetize them into a pair of magic wands. Once I came up against this giant ogre and I leaped up and stabbed my needles into it's eye sockets. I then used the yarn attached to the needles to steer him off the edge of the building we were on, riding him down into the river below. He was a very handy raft.