▁K azu ▁dec ides ▁to ▁bring ▁the ▁two ▁N ec ro - O vers ▁with ▁them ▁for ▁Pro spect ▁to ▁study . ▁ ▁Com ing ▁to , ▁Da ido ▁finds ▁himself ▁among ▁Qu arks ▁who ▁intend ▁to ▁kill ▁him ▁to ▁prove ▁their ▁worth . ▁After ▁seeing ▁the ▁Qu arks ▁are ▁forced ▁into ▁doing ▁what ▁Pro spect ▁orders ▁them ▁to ▁do , ▁Da ido ▁f ights ▁them ▁off ▁before ▁M ina ▁stops ▁them ▁as ▁she ▁sees ▁Da ido ▁to ▁have ▁something ▁Pro spect ▁la cks . ▁By ▁then , ▁Pro spect ▁arriv es ▁and ▁reve als ▁his ▁E yes ▁Memory ▁allows ▁him ▁to ▁use ▁Qu arks , ▁under ▁his ▁control . ▁When ▁Da ido ▁asks ▁if ▁his ▁ability ▁can ▁be ▁neg ated ▁should ▁he ▁die , ▁becomes ▁the ▁E yes ▁D op ant ▁to ▁eliminate ▁Da ido ▁as ▁his ▁body ▁begins ▁to ▁fail ▁him . ▁However , ▁after ▁breaking ▁free ▁from ▁her ▁conf in ement ▁in ▁the ▁complex , ▁Re ika ▁arriv es ▁to ▁spirit ▁Da ido ▁away . ▁M ina ▁finds ▁Da ido ' s ▁harm onica ▁and ▁tracks ▁Da ido ▁down ▁to ▁return ▁it , ▁but ▁accident ally ▁access es ▁his ▁mem ories ▁when ▁he ▁states ▁his ▁intent ▁to ▁kill ▁Pro spect . ▁She ▁reve als ▁that ▁the ▁Heaven ' s ▁Fall ▁bar rier ▁around ▁the ▁Qu arks ' ▁camp ▁would ▁eventually ▁eliminate ▁those ▁with ▁bare ly ▁psych ic ▁ability ▁and ▁less . ▁T aking ▁Re ika ' s ▁emer gency ▁bio - st abil izer ▁at ▁her ▁request , ▁Da ido