>>54708912Mismagius is just kind of a dude.
Mimikyu is the barnacle that was so ugly that everyone died but isn't hostile as long as you don't try to look under the costume.
Golett and Golurk are golems hanging out, no souls in there
Decidueye is just a ghost for game balance reasons, pretty sure he's alive. Sensu Oricorio might've drunk rat poison but otherwise same deal.