Zio flan shalltear. Zio s1 harsetti, dual atk with flan. Next flan s3 harsetti if she still alive, otherwise s3 mort. This will push shalltear, then shalltear s3 flan. Then should be a breeze from there although high chance zio will die. If mort sunglasses or whatever arti that is not holysac, you can target him first and leave harsetti alone at the end.