Athena had cursed Annabeth with the Mark of Athena which is suppose to avenged her. The four of them Annabeth, Piper, Jason and Leo have set sail for New Rome to make peace with them and talk about the prophecy
Road of Trails
Here the four are in New Rome and are talking about the prochecy while eating. Cause you know the Romans sure do love to eat. Anyway the prochey is “Seven half-bloods shall answer the call. To storm or fire the world must fall—”“An oath to keep with a final breath. and foes bear arms to the Doors of Death.”
Road of Trails.
This is Hazel and Frank. there are both from New Rome and have agreed to go and help the demi-gods to close the doors of death before Gaea can fully awaken
This is a Road of trails, because this is one of the obstacles thrown at the seven, eidolons took over Percy's and Jason's body and made them fight each other. This is a Road of Trails because Gaea made them fight each other.
The group is fighting a giant named Ephesians He threw a fake mountain that's as tall as Percy New York Apartment building.