▁loyal ▁to ▁G ae a . ▁They ▁h url ▁b ould ers ▁from ▁their ▁mount aint ops ▁where ▁they ▁sever ely ▁damage ▁the ▁Ar go ▁II . ▁Leo ▁Val de z ▁has ▁to ▁turn ▁the ▁Ar go ▁II ▁away ▁from ▁the ▁Ap enn ine ▁Mountains ▁in ▁order ▁to ▁come ▁up ▁with ▁a ▁different ▁plan . ▁ ▁Ak h ly s ▁– ▁The ▁god dess ▁of ▁mis ery , ▁and ▁a ▁daughter ▁of ▁Cha os ▁and ▁Night . ▁She ▁is ▁described ▁as ▁a ▁miser able - looking ▁old ▁woman ▁who ▁car ries ▁the ▁A eg is ▁shield ▁with ▁Med usa ' s ▁head ▁car ved ▁into ▁it . ▁In ▁The ▁House ▁of ▁H ades , ▁she ▁offers ▁the ▁Death ▁M ist ▁to ▁Per cy ▁and ▁An nab eth , ▁but ▁later ▁bet ray s ▁them ▁by ▁l uring ▁them ▁into ▁Ny x ' s ▁territory ▁and ▁trying ▁to ▁kill ▁them ▁with ▁poison . ▁In ▁anger , ▁Per cy ▁manip ul ates ▁the ▁poison ▁back ▁at ▁Ak h ly s , ▁causing ▁her ▁to ▁run ▁away ▁in ▁fear . ▁This ▁is ▁the ▁first ▁time ▁that ▁An nab eth ▁sees ▁the ▁dark er ▁part ▁of ▁Per cy ' s ▁person ality . ▁ ▁K eto ▁– ▁A ▁prim ord ial ▁sea ▁god dess ▁and ▁the ▁sister ▁and ▁wife ▁of ▁Ph or c ys . ▁In ▁The ▁Mark ▁of ▁Ath ena , ▁K eto ▁appears ▁as ▁a ▁girl ▁named ▁" K ate " ▁who ▁is ▁encountered ▁in ▁Ph or c ys ' ▁aqu arium ▁in ▁Atlanta .