1- If she hates her husband to the extent that she do not fulfill his rights an do not obey him at all, then khulla is possible.
Hwever, In the case of khulla, he can ask her to give up all her dowry, if he has not paid her anything of it, and to return it if he had paid it to her, and he may ask her to give a greater amount than that to divorce her, if she wants khulla, she must pay what he requests.
2- If her husband is really abusive to her, and he does not live with her in a kind manner, then she can raise her order to the Marja'a or his representative, so he orders him to live with her kindly and kindly to her, and to spend on her, and if he does that, the matter is over, and if he is not satisfied, or he said I will do, and he did not do, then the Marja'a or his representative would warn him, and if he did not obey, the Marja'a will divorce her from him, and in this case he must pay her all her rights.
3- In this case also, the matter is referred to the Marja'a or his representative, who orders him to return her or divorce her. If he refuses the both options, and refuses to spend on her, the Marja'a divorces her from him, and he must pay her her dowry if he has not paid it to her.