Umm...something that would really piss off Sailor Pluto, I have a feeling.
Beyond that, it really depends on when in the series he's dropped. I can see it undoing the effects of the memory block created by Usagi at the end of the first arc, for one thing.
Beyond that, it really depends on when in the series he's dropped. I can see it undoing the effects of the memory block created by Usagi at the end of the first arc, for one thing.