or you you can modify this
ShapeIndex 41936
Model "assassin_halloween_2024.gr2"
SourceSkin "assassin_halloween_2024_1.dds"
TargetSkin "assassin_halloween_2024_1.dds"
SourceSkin2 "assassin_face_devil_1.dds"
TargetSkin2 "assassin_face_devil_1.dds"
with this
ShapeIndex 41936
Model "assassin_halloween_2024.gr2"
SourceSkin "assassin_halloween_2024_1.dds"
TargetSkin "assassin_halloween_2024_1.dds"
Because there is no need to put the face in msm, the location of the face is already in gr2 from the costume, it reads it automatically without alpha channel (glow) even if the dds have alpha.