▁defend ▁himself . ▁The ▁door ▁was ▁said ▁to ▁be ▁so ▁heavy ▁that ▁it ▁took ▁eight ▁men ▁to ▁replace ▁it ▁on ▁its ▁h ing es . ▁In ▁some ▁Sh i ' ite ▁sources ▁it ▁is ▁also ▁said ▁that , ▁when ▁the ▁time ▁came ▁to ▁bre ach ▁the ▁for tr ess , ▁he ▁threw ▁the ▁door ▁down ▁as ▁a ▁bridge ▁to ▁allow ▁his ▁army ▁to ▁pass ▁into ▁the ▁cit adel ▁and ▁conquer ▁the ▁final ▁threshold . ▁The ▁Apost le ▁rev ived ▁their ▁( his ▁follow ers ) ▁faith ▁by ▁the ▁example ▁of ▁Ali , ▁on ▁whom ▁he ▁best owed ▁the ▁surname ▁of ▁" the ▁Lion ▁of ▁God " ▁( As ad ul lah ). ▁ ▁The ▁Jews ▁speed ily ▁met ▁with ▁Muhammad ▁to ▁discuss ▁the ▁terms ▁of ▁surrender . ▁The ▁people ▁of ▁al - W a ṭ ī ▁and ▁al - S ul ā lim ▁surrender ed ▁to ▁the ▁Muslim s ▁on ▁the ▁condition ▁that ▁they ▁be ▁" tre ated ▁len ient ly " ▁and ▁the ▁Muslim s ▁ref rain ▁from ▁shed ding ▁their ▁blood . ▁Muhammad ▁agreed ▁to ▁these ▁conditions ▁and ▁did ▁not ▁take ▁any ▁of ▁the ▁property ▁of ▁these ▁two ▁for ts . ▁ ▁K illing ▁Mar hab ▁Histor ians ▁have ▁given ▁different ▁descri ptions ▁about ▁the ▁incident ▁of ▁killing ▁Mar hab . ▁Most ▁of ▁historical ▁sources , ▁including ▁sah ih ▁Muslim , ▁say ▁that ▁Ali ▁killed ▁Mar hab ▁while ▁conqu ering ▁the ▁Q am us ▁fort ▁or ▁the ▁fort ▁of ▁Na ’ im . ▁But ▁I bn ▁H ish am ' s