I wrote this a couple of weeks ago: it is also on my ff.net account. It came to me after reading the last pages of book tree way too many times. And because I have a very soft spot for Luke (and Thalia)
Title: This Side of Paradise
Summary: 'The reality of them dying always pulls him back and Luke knows what he must do, what he will always do to keep them safe.' Oneshot, focusing on the hero turned traitor. Luke/Thalia
Disclaimer: All hail Rick Riordan!
( Luke thinks that he used to be free... )