BL4 solo run - FRC Isz - Merciless Watchers farming with Oil Urns (small arena, no hit) HD

Guide: https://www.reddit.com/r/bloodborne/comments/9vubie/the_bl4_books_merciless_watchers_at_low_damage/ A brief illustrative video of the method I have found to quickly deal with Merciless Watchers at BL4. Merciless Watchers are one of the most difficult dungeon bosses at this level, if not the truly worst.