▁A ph rod ite . ▁The ▁trick ▁of ▁the ▁M ist ▁that ▁H era ▁used ▁at ▁the ▁beginning ▁of ▁their ▁relationship ▁also ▁contributed ▁to ▁the ▁break up ▁as ▁that ▁meant ▁that ▁their ▁relationship ▁was ▁techn ically ▁" f ake ". ▁Still , ▁she ▁is ▁heart bro ken ▁when ▁he ▁dies ▁by ▁sacrific ing ▁himself ▁to ▁save ▁her , ▁Apol lo , ▁and ▁Meg ▁from ▁Cal ig ula . ▁ ▁Jason ▁Grace ▁ ▁Jason ▁Grace ▁was ▁a ▁son ▁of ▁Jup iter ▁and ▁the ▁mort al ▁B ery l ▁Grace , ▁a ▁TV ▁star ▁of ▁the ▁ 1 9 8 0 s , ▁and ▁the ▁younger ▁brother ▁of ▁Th alia ▁Grace ▁( H unter ▁of ▁Ar tem is ). ▁Jason ▁has ▁few ▁mem ories ▁of ▁his ▁mother , ▁who ▁was ▁comp elled ▁to ▁give ▁him ▁up ▁when ▁he ▁was ▁two , ▁but ▁he ▁rem embers ▁enough ▁about ▁Th alia ▁to ▁not ▁be ▁surprised ▁when ▁he ▁sees ▁her ▁again , ▁in ▁The ▁Lost ▁Hero . ▁Th alia ▁reve als ▁that ▁their ▁mother ▁told ▁her ▁that ▁Jason ▁was ▁dead , ▁and ▁that ▁this ▁was ▁what ▁finally ▁drove ▁her ▁to ▁leave ▁home , ▁after ▁she ▁run ▁away ▁from ▁home ▁and ▁found ▁Camp ▁Half - B lo od . ▁In ▁The ▁Blood ▁of ▁Olymp us , ▁that ▁B ery l ▁Grace ▁had ▁become ▁a ▁man ia , ▁or ▁spirit ▁of ▁mad ness . ▁He ▁grew ▁up ▁at ▁Camp ▁Jup iter , ▁the ▁Roman ▁equivalent ▁of ▁Camp ▁Half - B lo od , ▁where ▁dem ig ods ▁born ▁to ▁the