Best way to earn "Identify a Labyrinth Unique" Challenge

Thanks again for the tips!

For anyone who was following this thread - there is an intricate locker in Cruel Labyrinth today (and one in merc according to poelabs, but cruel worked fine for me.) You have 11 hours from the time of this post to try for it if you want the challenge too!

I got this thing:

(It was unidentified before I got the challenge. :) )