I believe @Dave Deviluke has chars to help with that, however I've made a couple bloodwashed mules and it's completely possible to do on your own, if you invest in a bit of gear. Scroll a bathrobe for 20 mainstat, get a weapon to use, stopper, maple pop, and you should be able to clear.
Yea, I can help with 2nd job of Thief/Archer https://royals.ms/forum/threads/offering-help-for-thief-archer-2nd-job-advancement.206645/