What is the ruling of Islamic law and what should a wife do whose husband has abandoned her for more than two years, knowing that he has another wife and her patience has run out?

Justice between wives in terms of division of time and overnight stay is obligatory. Abandoning a wife for more than three nights is forbidden. Abandoning a wife without a legitimate Shar'i reason is considered harm that permits her to seek divorce. Scholars differed on whether the ruling of ila' applies to a husband who abstains from intercourse without an oath; the preponderant view is that ila' only occurs with an oath. The wife is advised to attempt to mend the relationship, demand her rights, and introduce a mediator. If he refuses, there is no blame upon her for seeking divorce.