. ▁Event ually , ▁U ly ss es ▁f akes ▁his ▁death ▁and ▁is ▁brought ▁to ▁a ▁m org ue . ▁There , ▁Jon ah ▁and ▁his ▁friends ▁reve al ▁that ▁U ly ss es ▁is ▁on ▁Earth , ▁and ▁that ▁his ▁arrival ▁ful fill s ▁an ▁ancient ▁prop he cy ▁that ▁a ▁sav ior ▁would ▁return ▁to ▁restore ▁hum ank ind . ▁ ▁The ▁human ▁reb els ▁give ▁U ly ss es ▁one ▁piece ▁of ▁an ▁ancient ▁re lic ▁and ▁instruct ▁him ▁to ▁retrieve ▁the ▁other ▁two ▁hidden ▁by ▁other ▁tribes ▁of ▁humans . ▁U ly ss es ▁heads ▁to ▁a ▁ru ined ▁city , ▁where ▁he ▁fre es ▁the ▁human ▁Nova ▁and ▁finds ▁the ▁second ▁re lic ▁piece ▁guard ed ▁by ▁g or illa ▁General ▁Urs us . ▁He ▁also ▁finds ▁a ▁secret ▁file ▁reve aling ▁that ▁Urs us ▁plans ▁to ▁use ▁ch imp anze e ▁Dr . ▁Corn el ius ' ▁human ▁gen et ics ▁research , ▁combined ▁with ▁information ▁g lean ed ▁from ▁studying ▁ancient ▁human ▁sites , ▁to ▁advance ▁the ▁g or illas ▁over ▁the ▁other ▁ap es . ▁With ▁help ▁from ▁Nova ▁and ▁her ▁brother ▁Math ias , ▁U ly ss es ▁heads ▁to ▁A pe ▁University , ▁where ▁Corn el ius ▁agre es ▁to ▁destroy ▁his ▁research ▁so ▁the ▁g or illas ▁cannot ▁mis use ▁it . ▁U ly ss es ▁attempts ▁to ▁rescue ▁Jon ah ▁from ▁an ▁a pe ▁prison ; ▁Jon ah ▁dies , ▁but ▁tells ▁U ly ss es ▁the ▁final ▁re lic