You and Thalia were really close friends before you came to Camp Half-Blood. But she decided to stay and buy time for you and your two other friends by fighting with monsters which were chasing after 4 of you. But she got killed, and to save her her father, Zeus, changed her into pine tree. But few days ago, thanks to magic of Golden Fleece she got to be human again, after 5 years of being tree.

You were waiting for her next to Zeus' cabin doors, as she was getting ready inside. "Yo! Slept well?" She asked, coming out from her cabin