▁him ▁regarding ▁Jason ' s ▁memory ▁loss . ▁In ▁The ▁Blood ▁of ▁Olymp us , ▁N ico ▁Di ▁Ang elo ▁sends ▁a ▁dream ▁message ▁to ▁him ▁to ▁contact ▁Th alia ▁Grace . ▁ ▁Con nor ▁St oll ▁– ▁Con nor ▁and ▁his ▁brother ▁Tra vis ▁serve ▁as ▁lead ▁coun sel ors ▁of ▁the ▁Herm es ▁cabin ▁after ▁Luke ' s ▁departure . ▁The ▁St oll s ▁are ▁known ▁to ▁be ▁cra fty ▁and ▁m isch iev ous , ▁like ▁their ▁father . ▁They ▁are ▁tall ▁and ▁thin , ▁with ▁string y ▁brown ▁hair . ▁Both ▁surv ive ▁the ▁T itan ▁war . ▁In ▁The ▁H idden ▁Oracle , ▁Con nor ▁becomes ▁the ▁sole ▁coun sel or ▁due ▁to ▁Tra vis ▁att ending ▁college , ▁something ▁that ▁he ▁still ▁has ▁not ▁got ten ▁over ▁with . ▁He ▁pick s ▁on ▁Meg ▁after ▁the ▁latter ▁pok es ▁him ▁in ▁the ▁eyes . ▁ ▁Dak ota ▁– ▁A ▁son ▁of ▁Bac chus ▁at ▁Camp ▁Jup iter , ▁Dak ota ▁has ▁an ▁add iction ▁to ▁extra - s ug ary ▁red ▁K ool - A id . ▁He ▁is ▁both ▁a ▁cent ur ion ▁of ▁the ▁Fif th ▁C oh ort ▁and ▁a ▁sen ator . ▁Dak ota ▁is ▁often ▁on ▁a ▁sugar ▁high , ▁especially ▁when ▁str essed ; ▁in ▁moments ▁of ▁clar ity , ▁however , ▁he ▁proves ▁himself ▁a ▁capable ▁leader . ▁ ▁Dam ien ▁White ▁– ▁Dam ien ▁is ▁a ▁son ▁of ▁Nem esis . ▁He ▁has ▁a ▁he ated ▁rival ry ▁with