You were dead. It was that simple, you had died during the second Titan war. There was a funeral, a shroud burning and everything but that was months ago. Percy was the most affected as it was his idea to send you out alone to the battle that killed you. Leo had buried himself in his inventions and such for months before he came out. Nico tried to reassure them that you were fine and that Elysium was treating you well but even they could tell he wasn't fine. All that was months ago and they had moved on as best that they could

You woke up with dirt in your mouth, nose and eyes and no idea what was happening. The last thing you remember was fighting one of the giants and then nothing, all you knew now was that you were going to die if you didn't do something and fast