Is it permissible in Islam to have sex chat with my long distant fiancee, without risk of pregnancy, given that i have accepted her as my wife and so has she and i know that, 100% , whether I live or die, she will be my beloved wife.

In the name of Allah, Most Gracious, Most Merciful

Assalaamu `alaykum waRahmatullahi Wabarakatuh

The concept of fiancé and fiancée is not recognized in Islam. It is either one is married or not. Any type of illegal communication with a woman out of marriage is haram in Shariah. It does not matter whether you have merely accepted the woman as your wife. The sex chat with her falls in the category of zina and it is a major sin. If you are certain in marrying that woman, do get married to her and your communication thereafter will be permissible. It is permissible to marry a woman at a distance by proxy. Kindly refer to fatwa http://www.askimam.org/fatwa/fatwa.php?askid=ef6e2081b7ee1f7b3700b0899ce5986f

Also see : http://www.askimam.org/fatwa/fatwa.php?askid=acca62cc714d9a22f6c16c76f139dcc6 

And Allah Ta'ala Knows Best

Wassalamu Alaykum

Mufti Ebrahim Desai
Darul Iftaa