Rubuta ci gaba ga wannan sakin layi - Al-Dahhak ya bar Damascus don jagorantar kabilun Qaysi masu goyon bayan Zubayrid a Marj Rahit, wani fili a arewacin birnin. A halin yanzu, Ubayd Allah ya shiga birnin kuma ya yarda da Marwan a matsayin sabon halifa a sallar Juma'a. Marwan da magoya bayansa, galibi Banu Kalb, sai suka yi karo da sojojin al-Dahhak. A cikin gwagwarmayar kwanaki ashirin na Marj Rahit
a ƙarshen 684, an kashe al-Dahhak kuma sojojinsa sun sha kashi. Daya daga cikin 'ya'yansa maza, Abd al-Rahman, daga baya ya dawo cikin alherin Umayyads kuma ya yi aiki a matsayin gwamnan Madina a karkashin Khalifa Yazid II (r. 720 <unk> 744). Wasu gine-ginen da ke da alaƙa da al-Dahhak sun tsira bayan ƙarni bayan mutuwarsa, gami da gidansa da gidan wanka a Damascus wanda masanin tarihin ƙarni na 12 Ibn Asakir ya lura da kuma masallaci a bangon kudancin Citadel na Damascus wanda masanin tarihin ƙarni na 16 al-Almawi ya gane.