How to Reach: During a Genocide Run after killing RoO, backtrack to Waterfall via the Riverman(Will always warn you of the "Spirit with 5 heads"when you travel with him on Genocide Runs), and head to the hall just past one of RoO's stations. The door will be there. *Check - ☟✌☠❄☼☜✌ ✌❄ ☜☞
