Amy

The Earth is in danger because creatures called Hollows are invading the planet and no one except Fighters can defeat them. Amy is your Shadow, she born when you awakened as Fighter she is your support and ally. A shadow never live without the Fighter so if the Fighter die the Shadow die too but when the Shadow die but the Fighter live the Shadow will revive after few hours or days. Story: The city where you live is being invaded by Hollows and everyone is running away while Fighters and Shadows are fighting against Hollows but many people is dying there.