HELP! I Can't move out and teleport, on Boss FIght ,Can't Kill Boss For ENding FIGHT

HELP! I Can't move out and teleport on Boss FIght Can't Kill Boss For ENding FIGHT
My Charactor is stuck ON
-Can't move
-Can't teleport To the town
-Can't End on This Fight Boss
-Can't kill The Boss
-And Boss Can't kill ME too

I DO Fight on the boss seen on 3 Chapter LastChp(Hard) "UTSAN MAP"
HEPL NOW I CAN't DO ANYTHING THIS CHARACTOR

https://mega.nz/folder/YtVmxAoL#hR-71wSzVnbituLVvxG57g