Rubuta ci gaba don wannan sakin layi - A gefe guda, masanin tarihi M. A. Shaban ya ɗauki kamfen ɗin a matsayin "ƙayyadadden nasara" a mafi kyau, kuma ya soki Harun "mai hankali" mai da hankali ga Byzantines a matsayin "ƙoƙarin da ba daidai ba". A cewar Shaban, ba wai kawai 'yan Byzantine ba su da ainihin ikon (ko niyya) don yin barazanar barazana ga Khalifanci ba, amma aikin da Harun ya yi na daukar sojoji ya haifar da kwararar sojojin gabas daga Khurasan, wanda ya yi adawa da dakarun soja na Siriya da Iraki na gargajiya kuma ya haifar da rarrabuwa wanda ya ba da gudummawa ga Fitna ta huɗu.
, yakin basasa na Abbasid wanda ya barke bayan mutuwar Harun. Wannan rikici, tsakanin 'ya'yan Harun al-Amin () da al-Ma'mun (), yana nufin cewa Abbasid Caliphate ba zai iya amfani da juyin juya halin Byzantine a cikin Balkans ba. Tabbas, yaƙin 806 da hare-haren da ba su da tasiri na 807 sun nuna manyan manyan, ƙungiyoyi masu zaman kansu, na Abbasid da ke kan Byzantium sama da shekaru ashirin. An ci gaba da kai hare-hare da kai hare-hare a kan ƙasa da kuma a teku, kuma, ba tare da Abbasids ba, shugabannin musulmai na gida sun ci nasara da Crete kuma sun fara cin nasarar Sicily a cikin 820s. Duk da haka, manyan ayyuka a kan iyakar ƙasa a gabashin Asiya Ƙananan tsakanin masarautun biyu sun ci gaba ne kawai bayan hawan Sarkin sarakuna Theophilos (), wanda gwagwarmayarsa da kalifa al-Ma'mun da al-Mu'tasim () ya ƙare a manyan hare-haren da al-Ma'mun ya yi a 830 <unk> 833, da Sack of Amorium by al-Mu'tasim a 838.