▁been ▁appearing ▁in ▁the ▁under world , ▁and ▁three ▁powerful ▁sh ades ▁have ▁been ▁attack ing ▁people ▁in ▁the ▁cities . ▁A ▁group ▁of ▁assass ins ▁also ▁appears ▁and ▁targets ▁all ▁trav ellers ▁and ▁especially ▁player ▁characters . ▁The ▁player ▁takes ▁charge ▁of ▁a ▁group ▁of ▁hero es ▁which ▁will , ▁in ▁the ▁end , ▁determine ▁the ▁fate ▁of ▁all ▁of ▁A ver num . ▁ ▁A ver num ▁ 5 ▁ ▁On ▁November ▁ 1 2 , ▁ 2 0 0 7 ▁Spider web ▁Software ▁released ▁A ver num ▁ 5 ▁for ▁Mac int osh , ▁followed ▁by ▁the ▁Windows ▁version ▁on ▁February ▁ 1 6 , ▁ 2 0 0 8 . ▁The ▁game ▁util izes ▁the ▁same ▁game ▁engine ▁as ▁its ▁prede cess or , ▁but ▁diff ers ▁greatly ▁in ▁its ▁plot ▁element . ▁Instead ▁of ▁being ▁h ired ▁by ▁A ver num ▁( as ▁with ▁all ▁other ▁chap ters ▁in ▁the ▁series ), ▁the ▁party ▁of ▁advent ur ers ▁in ▁the ▁story ▁ful fill ▁the ▁b idd ing ▁of ▁the ▁Empire . ▁The ▁player ▁cont rolling ▁the ▁party ▁must ▁h unt ▁down ▁the ▁assass in ▁Dor ik as ▁while ▁dealing ▁with ▁numerous ▁other ▁obst acles ▁such ▁as ▁sp ies ▁and ▁bet ray al . ▁Meanwhile , ▁characters ▁in ▁the ▁party ▁are ▁trained ▁in ▁over ▁fifty ▁sp ells ▁and ▁battle ▁discipl ines . ▁Battle ▁discipl ines ▁are ▁applied ▁on ▁an ▁ax on ometric ▁game ▁grid ▁sharing ▁an ▁interface ▁with ▁A ver num ▁ 4 . ▁ ▁A ver num ▁