BlazBlue Calamity Trigger Portable is a fighting game for the PlayStation Portable set in the 13th hierarchical city of Kagutsuchi. The story follows Ragna The Bloodedge, a fugitive targeted by the Librarium, which seeks to control the powerful Armagus technology. Ragna wields the Azure Grimoire, making him a coveted target in a battle for power and survival.
In the 13th hierarchical city, Kagutsuchi, the Librarium regulates the amazing power of `Armagus`, a fusion of magic and technology. Currently they are aft er a wanted criminal named Ragna The Bloodedge, also known as `Death`, who wants to destroy the Librarium. Due to Ragna possessing a powerful form of Armagus known as the Azure Grimoire, people far and wide are aft er not only his bounty, but his grimoire as well. This is where our story begins...