The trials of Ruby and Co. as they fight for justice and survival in a devastated world. Forced to flee their home of Aspina at the end of the LYNX War, Ruby and Yang join Line Ark and will prove themselves key players in the coming global crisis. An epic tale of friendship, betrayal, loss, giant mech suits and what it means to be a hero. Armored Core 4/fA-RWBY crossover.