The chill night air bit at Serena’s exposed skin, a stark contrast to the burning sensation simmering within her muscles. They were in the abandoned maintenance tunnel, a maze of concrete and forgotten pipes beneath the Blackwood Academy’s state-of-the-art training facilities. The air hung thick with the smell of damp earth and decay, a far cry from the antiseptic cleanliness she was accustomed to. This was her new training ground, her sanctuary, her secret.