In The Lightning Theif, Percy was near the camp border when he was killed by the Minatour.

Grover was exiled and eventually eaten by a Cyclopes named Tyson.

Annabeth never strayed from Luke and joined Kronos's army.

Kronos probably won thanks to Annabeth's strategizing.

Thalia never joined the hunt and became the child of the prophecy.

She didn't want Luke to die so she didn't kill him.

Her and Annabeth and Luke became Kronos's slaves.

AND THEY ALL DIDNT LIVE HAPPILY EVER AFTER!!!