When the memory of Allison allows him to break free from the Beast and give Lydia enough time to save Mason, there was a way to keep her as part of the pack. There was a way to really signify the strength of that original pack of Scott, Allison, Stiles and Lydia even after death.
academically, lydia is one of the finest students i’ve ever had. her ap classes push her gpa above a 5.0. i’d actually like to have her iq tested. and socially, she displays outstanding leadership qualities. i mean, she’s a real leader.