It's hard to give hints for this room, it's heavily dependent on move order and there are too many monsters to check the order manually, so it ends up being mostly trial and error. There is a demo a few posts up, but if you want a hint rather than a complete solution, I guess the best I can do is reveal the first few moves of my solution:
Click here to view the secret text
×After hitting the orb, I moved SE four times, faced west, moved N-S, swung W-Q three times, moved N-S, swung W-Q five times, then moved N-N-SE-N.
____________________________
50th Skywatcher