▁ign ited ▁the ▁wood ▁twice , ▁which ▁he ▁can ▁do ▁simply ▁by ▁thinking ▁about ▁it ; ▁the ▁first ▁time ▁is ▁while ▁he ▁is ▁finding ▁his ▁way ▁to ▁Camp ▁Jup iter , ▁in ▁bitter ▁cold . ▁The ▁second ▁time ▁is ▁when ▁he , ▁Per cy , ▁and ▁Haz el ▁travel ▁to ▁Al aska ▁to ▁free ▁Th an atos . ▁Event ually , ▁Frank ▁entr ust s ▁the ▁fire wood ▁to ▁Haz el , ▁and ▁in ▁The ▁House ▁of ▁H ades , ▁Cal y ps o ▁creates ▁a ▁fire proof ▁p ouch ▁to ▁contain ▁it . ▁ ▁Frank ▁has ▁a ▁me ek ▁disposition ▁and ▁is ▁un com fort able ▁upon ▁learning ▁his ▁father ' s ▁identity ▁public ly ▁in ▁front ▁of ▁the ▁whole ▁of ▁Camp ▁Jup iter . ▁He ▁sus pected ▁himself ▁a ▁son ▁of ▁Apol lo , ▁given ▁his ▁skill ▁with ▁a ▁bow ▁and ▁arrow . ▁On ▁his ▁quest ▁in ▁The ▁Son ▁of ▁Ne pt une , ▁and ▁later ▁during ▁the ▁series ▁as ▁well , ▁he ▁uses ▁an ▁en ch anted ▁spe ar ▁given ▁to ▁him ▁by ▁Mars . ▁To ▁Frank ' s ▁surprise , ▁the ▁spe ar ▁summ ons ▁a ▁ske leton ▁war rior ▁that ▁defe ats ▁the ▁bas ilis ks . ▁Frank ▁calls ▁this ▁ske leton ▁" G ray ". ▁ ▁As ▁he ▁has ▁been ▁res iding ▁in ▁Camp ▁Jup iter ▁for ▁no ▁more ▁than ▁a ▁year , ▁Frank ▁is ▁initially ▁considered ▁a ▁prob atio , ▁or ▁ro ok ie , ▁of ▁the ▁Fif th ▁C oh ort . ▁Before ▁the ▁quest