Board Thread:Dark Souls II/@comment-46.64.182.203-20140312230146/@comment-24129583-20140319040758

Does that mean he created the illusion of Gwyervere (Sorry can't spell) so when (if) you shoot her, the illusion would break, but IF Seath created the illusions then killing Seath would be the only way to break the illusion and not shooting Gwynervere

This is only a guess and I'm pretty sure I'm wrong