WithProjectICARISfurtheringexpeditionsdeeperintothefissure,keepingdragonsasecretisbecomingincreasinglyharderfortheDragonRiders.MeanwhileJun,D’AngeloandAlexaregrowingmoresuspiciousofTomandThunder’sfrequentsoloquests,revealingTom’smissionofuncoveringhisvikingheritageandmysteriousconnectionwithdragons....