▁the ▁Rom ans ▁are ▁prepar ing ▁to ▁attack ▁the ▁Gree ks ), ▁the ▁seven ▁of ▁the ▁quest ▁travel ▁to ▁Ath ens . ▁With ▁help ▁from ▁the ▁gods , ▁the ▁dem ig ods ▁defeat ▁the ▁gi ants ▁in ▁Ath ens . ▁They ▁then ▁return ▁to ▁the ▁fight ▁on ▁Long ▁Island ▁and ▁Leo ▁Val de z ▁sacrific es ▁himself ▁to ▁defeat ▁Ga ia ▁and ▁restore ▁peace . ▁In ▁the ▁final ▁pages , ▁Leo ▁is ▁res ur rect ed ▁by ▁his ▁bronze ▁drag on ▁Fest us ▁and ▁goes ▁to ▁find ▁his ▁cr ush ▁Cal y ps o . ▁Un aware ▁that ▁he ▁is ▁alive , ▁Camp ▁Half - B lo od ▁and ▁Camp ▁Jup iter ▁m ourn ▁his ▁loss , ▁determ ining ▁to ▁become ▁al lies ▁and ▁prevent ▁such ▁a ▁dead ly ▁war ▁from ▁happening ▁again . ▁ ▁Supp lement ary ▁works ▁ ▁The ▁Dem ig od ▁Di aries ▁ ▁Re leased ▁August ▁ 1 4 , ▁ 2 0 1 2 , ▁The ▁Dem ig od ▁Di aries ▁is ▁a ▁collection ▁of ▁short ▁stories . ▁Similar ▁to ▁The ▁Dem ig od ▁Files , ▁it ▁contains ▁some ▁new ▁stories ▁with ▁character ▁inter views , ▁illustr ations , ▁puzz les , ▁and ▁a ▁qu iz . ▁The ▁four ▁stories ▁include : ▁ ▁" The ▁Di ary ▁of ▁Luke ▁Cast ellan ": ▁Th alia ▁Grace ▁and ▁Luke ▁Cast ellan ▁meet ▁Hal y con ▁Green , ▁Luke ▁receives ▁his ▁kn ife , ▁and ▁the ▁pair ▁enc oun ters ▁An nab eth ▁Ch ase . ▁The ▁events ▁of ▁the ▁story