Stories are categorized into two main groups; Main Stories and Event Stories. There are also Side Stories that may be unlocked with Attribute pieces and Attribute gems through individual cards that you own.
Main Stories[edit | edit source]
The first 5 chapters of all Main Stories are always available, and the rest will become available as you increase a unit's rank. Main Stories
Event Stories[edit | edit source]
The first chapter of an Event story will be available right as the event debuts, and the rest will be available as you earn event points.