Arlecchino boss battle phase 1 (not beta) "unfinished"

hello today I found this on one telegram channel. this ost ist unofficial so that means that it will probably change and I am not sure that this ost is for phase 1. but I wish you all good watch, because the ost is great. have a nice day! ("! that's is one of 3 videos that will not be released on my official channel !") #genshinimpact #arlecchino #ost #leaks