- Turn to stone. Reform from the stone later.
- Lich's phylactery. (Which is that bound to an object thing you mentioned I guess.)
- Respawn as a fish in a pond in their homeland.
- Simply regenerate on the spot. (Which, hopefully, is not A Pit Of Lava; that person is out of luck.)
- Last plant they interacted with gets inhabited and shaped into their new body.
- Wake up naked in the dirt during the next rainstorm, wherever that is.