Super Short Summary

In The House of Hades, seven demigods—Percy, Annabeth, Hazel, Frank, Leo, Jason, and Piper—embark on a quest to stop monsters from entering the mortal world through the Doors of Death. Percy and Annabeth navigate Tartarus while the others journey on the Argo II to rescue them. They face various challenges, including battles with monsters and gods, learning magic, and overcoming personal trials to ultimately reunite and continue their mission to prevent Gaea's rise. Portrayals of emotional trauma, including scenes involving death and violence, are present in the story.