To the crew of the Spirit of Fire, Serina was the ship's heart: the smart AI who kept them safe, kept them sharp, and occasionally kept the captain honest. She shut herself down during the long journey to the Ark—regulations required it—sleeping while her crew slept. Now comes the question of what would happen if she got one more chance to fight alongside them, and perhaps to remind a newer AI what it means to earn respect. The Serina Leader Pack for Halo Wars 2.