▁seen ▁in ▁Rick ▁Ri ord an ' s ▁nov els , ▁including ▁na i ads ▁( river ▁n ym ph s ), ▁dry ads ▁( tree ▁n ym ph s ), ▁and ▁a ura e ▁( wind ▁n ym ph s ). ▁ ▁A ura e ▁– ▁Wind ▁spirits ▁who ▁work ▁at ▁Camp ▁Jup iter ▁as ▁seen ▁in ▁The ▁Son ▁of ▁Ne pt une . ▁ ▁M ell ie ▁– ▁An ▁A ura e ▁who ▁is ▁the ▁wife ▁of ▁Co ach ▁G le es on ▁H edge ▁and ▁the ▁mother ▁of ▁Ch uck ▁H edge . ▁She ▁is ▁the ▁personal ▁assistant ▁of ▁A e ol us ▁as ▁seen ▁in ▁The ▁Lost ▁Hero . ▁At ▁the ▁end , ▁she ▁works ▁as ▁Pi per ' s ▁d ad ' s ▁assistant ▁Tr istan ▁Mc Le an . ▁In ▁The ▁Burn ing ▁Lab yr inth , ▁M ell ie ▁appeared ▁at ▁the ▁A e ith ales ▁where ▁she ▁gre ets ▁Apol lo ▁and ▁Gro ver . ▁After ▁hearing ▁of ▁Jason ' s ▁death , ▁she ▁and ▁G le es on ▁head ▁to ▁Mal ib u ▁to ▁help ▁a ▁gr ieving ▁Pi per . ▁When ▁on ▁the ▁air field , ▁M ell ie ▁tells ▁her ▁family ▁that ▁she ▁will ▁be ▁going ▁to ▁the ▁Mc Le an ▁family ' s ▁home ▁in ▁Oklahoma . ▁▁ ▁– ▁N ym ph s ▁that ▁are ▁associated ▁with ▁trees ▁and ▁for ests . ▁ ▁Ag ave ▁- ▁A ▁D ry ad ▁that ▁sent ▁Gro ver ▁to ▁explore ▁the ▁Lab yr inth .