On December 24, 2016, Blueback emerged from the breach and attacked san Diego. During his attack on San Diego, a mark 2 Jaeger named Valor Blade was deployed, and confronted Blueback. During the battle, he used his powerful claws to crush Valor Blade's legs, but Valor managed to use it's Hellfire Missile Launcher on Blueback before collapsing. The missiles destroyed his right arm and a large portion of his face, eventually, killing him.