Board Thread:Dark Souls II/@comment-24062264-20141213115026/@comment-4526779-20160119145335

The best, luckiest thing that could happen for you is she summons the pigs. Then if you summoned an NPC, let the pigs keep the NPC busy (the NPC isn't going to kill the pigs, they're too tough for them) and then just wail on the boss while she continues not to summon anything.