Percy Jackson the end of percy and annabeth?

Part two

We go back to CHB and I go sit at the edge of the canoe lake when we landed Annabeth went and sat in her cabin so I'm just sitting here Hey I turn around to see my friend/ oracle Rachel hey I reply heard what happened then I see the mist come out of her mouth she says

The two bravest of the seven go on the quest none have returned from, they travel through a land of recurring nightmares of quest they have once won when they meet there biggest threat son of the sea finally walks alone the curse will break him when he is attacked to the end of the earth where his largest threat awaits if he wins he will not die but If he does die he will meet his soul...

Rachel snaps out of it and yelps what what was that I shake my head I don't know...