I’m working on Variant 6 100% then notice that in V6.3.1 boss fight (vs. DDHK), Ghost’s phasing doesn’t work for DDHK! He could hit her as usual during her phasing period!
It’s not the case in the past! (Please see the video below, starting from 2:08:00)
https://youtu.be/gEqY9_mAKsQ