▁gray ▁to ▁white ▁to ▁black . ▁ ▁Pal ik oi ▁– ▁G ey ser ▁gods ▁who ▁in ▁times ▁past ▁were ▁worship ed ▁by ▁run away ▁slaves ▁for ▁protection . ▁O thers ▁can ▁make ▁o ath s ▁with ▁them . ▁While ▁o ath s ▁toward ▁St y x ▁are ▁prolong ed ▁and ▁cancer ous , ▁a ▁single ▁bre ach ▁of ▁o ath ▁with ▁the ▁Pal ik oi ▁will ▁result ▁in ▁immediate ▁death . ▁ ▁P ete ▁– ▁A ▁Pal ik oi ▁employed ▁by ▁a ▁market ing ▁company . ▁He ▁is ▁task ed ▁to ▁operate ▁in ▁the ▁Wood s ▁of ▁the ▁Camp ▁Half - B lo od ▁while ▁collect ing ▁surve ys ▁on ▁customer ▁service . ▁Apol lo ▁makes ▁an ▁o ath ▁with ▁P ete ▁to ▁rescue ▁Meg ▁who ▁is ▁kid n apped ▁by ▁the ▁My r me kes . ▁ ▁Paul ie ▁– ▁P ete ' s ▁fellow ▁worker ▁in ▁a ▁market ing ▁company . ▁He ▁is ▁kid n apped ▁by ▁N ero ▁who ▁int ends ▁to ▁use ▁his ▁power ▁to ▁break ▁through ▁the ▁Gro ve ▁of ▁D od ona ' s ▁walls . ▁Apol lo ▁is ▁able ▁to ▁rescue ▁him ▁along ▁with ▁the ▁other ▁ab duct ed ▁dem ig ods . ▁ ▁P and ai ▁- ▁A ▁long - l iving ▁war - like ▁tribe ▁from ▁an ▁Indian ▁mountain ▁valley ▁with ▁big ▁ears , ▁eight ▁fingers , ▁eight ▁to es , ▁and ▁white ▁hair ▁covering ▁their ▁body . ▁In ▁The ▁Burn ing ▁Maz e , ▁Cal ig ula ▁uses ▁P and ai ▁and