Late in beta (so I would think it's still the same) they had your same alignment. I remember I switched from neutral to full light, and suddenly a bunch of items my companions were using couldn't be used anymore since they said 'forbidden for light I and above', even though it was my companions who were using them

Starting with late beta, companions share your alignment. I remember I switched from neutral to full light, and suddenly a bunch of items my companions were using couldn't be used anymore since they said 'forbidden for light I and above', even though it was my companions who were using them