▁to ▁free ▁Th an atos , ▁however , ▁his ▁coh ort ' s ▁cent ur ion , ▁G wen , ▁dec ides ▁to ▁ret ire ▁and ▁give ▁her ▁position ▁to ▁Frank . ▁Later , ▁in ▁The ▁House ▁of ▁H ades , ▁Jason ▁surr enders ▁his ▁pra et or ship ▁to ▁Frank , ▁who ▁uses ▁its ▁authority ▁and ▁Dioc let ian ' s ▁S cept re ▁to ▁lead ▁an ▁army ▁of ▁Roman ▁ske leton ▁soldiers ▁against ▁the ▁mon sters ▁in ▁the ▁N ec rom ante ion . ▁ ▁Frank ▁was ▁described ▁as ▁' c ud d ly ' ▁and ▁' f uz zy ' ▁and ▁with ▁a ▁ch ub by , ▁baby ish ▁face ▁in ▁The ▁Mark ▁of ▁Ath ena , ▁but ▁in ▁The ▁House ▁of ▁H ades , ▁after ▁sum mon ing ▁the ▁bless ing ▁of ▁Mars ▁to ▁defeat ▁a ▁ho ard ▁of ▁enemies , ▁he ▁transform s . ▁He ▁is ▁then ▁described ▁as ▁being ▁t aller , ▁more ▁mus cular , ▁and ▁without ▁all ▁his ▁child hood ▁fat . ▁Though ▁now ▁built ▁like ▁a ▁professional ▁football ▁player , ▁he ▁is ▁still ▁as ▁sensitive ▁as ▁before , ▁and ▁is ▁embar rass ed ▁at ▁his ▁new ▁appearance ▁at ▁first . ▁ ▁Initial ly , ▁he ▁was ▁w ary ▁of ▁the ▁t ension ▁between ▁Haz el ▁and ▁Leo , ▁as ▁Leo ▁rem ind ed ▁Haz el ▁of ▁her ▁old ▁boy friend , ▁Sam my ▁Val de z . ▁After ▁Leo ' s ▁encounter ▁with ▁Cal y ps o , ▁however , ▁Leo ▁became ▁more ▁relax