[quote=@Western Robot]
<Snipped quote by Ariamis>

No, they wouldn't be excommunicated just for a metamorphosis. Beacon girls can actually use that perk too. Some of the more zealous ones might be prejudiced towards someone they know has it, but they won't see you as a monster.
[/quote]

Ah, so it only becomes a problem if the Monster part is permanent. That makes things easier.