▁of ▁the ▁Lab yr inth , ▁she ▁gu ides ▁An nab eth ▁and ▁Per cy ▁through ▁the ▁Lab yr inth ▁to ▁Da ed alus ' s ▁work shop . ▁It ▁is ▁hint ed ▁that ▁she ▁has ▁some ▁rom antic ▁feelings ▁for ▁Per cy ▁which ▁are ▁noticed ▁by ▁An nab eth ▁who ▁becomes ▁je alous . ▁In ▁The ▁Last ▁Olymp ian , ▁she ▁has ▁strange ▁vis ions ▁and ▁becomes ▁the ▁new ▁Oracle ▁of ▁Del phi . ▁Her ▁first ▁act ▁as ▁the ▁Oracle ▁is ▁to ▁deliver ▁the ▁next ▁Great ▁Prop he cy , ▁setting ▁the ▁plot ▁of ▁the ▁Hero es ▁of ▁Olymp us ▁series . ▁She ▁is ▁contact ed ▁by ▁An nab eth ▁in ▁The ▁House ▁of ▁H ades ▁to ▁ask ▁for ▁Re yna ' s ▁assistance ▁to ▁bring ▁the ▁Ath ena ▁Par then os ▁back ▁to ▁Camp ▁Half - B lo od . ▁ ▁Following ▁the ▁loss ▁of ▁Del phi ▁to ▁Python , ▁as ▁revealed ▁in ▁The ▁H idden ▁Oracle , ▁Rach el ▁stops ▁visit ing ▁camp ▁and ▁begins ▁a ▁f ren z ied ▁attempt ▁to ▁reg ain ▁her ▁for es ight , ▁not ▁helped ▁by ▁Apol lo ' s ▁disapp earance . ▁Once ▁informed ▁of ▁Apol lo ' s ▁arrival , ▁Rach el ▁returns ▁and ▁lear ns ▁that ▁not ▁only ▁Del phi ▁is ▁lost , ▁but ▁also ▁three ▁other ▁O ra cles , ▁Only ▁R he a ' s ▁D od onian ▁Oracle ▁is ▁still ▁valid . ▁She ▁becomes ▁ups et ▁upon ▁learning ▁of ▁the ▁existence ▁of ▁other ▁O ra cles , ▁as