You're Philza's child, and you're an avian, so your wings should be coming in soon.

Two weeks after your 13th birthday, you start to have excruciating pain in your upper back, and it gets so bad that you start to cry in pain. Philza hears and rushes over to your room to see what's wrong.

Philza: whats wro- He says before trailing off and seeing your medium size wings growing, becoming bigger every second