Complex sentence: This conversion made night infiltration into the Bosra fortification possible under the guide of Romanus, hence enabling the Muslim army to inflict disproportionate numbers of casualties when compared to their own among the Byzantines forces.
Split into simpler sentences: This conversion made night infiltration into the Bosra fortification possible under the guide of Romanus. Hence enabling the Muslim army to inflict disproportionate number of casualties when compared to their own among the Byzantines forces.