Rain-Calendar (レイン歴, also called RC for short) is the calendar which is established based on years after the birth of Rain Silves. Due to this, years B.C.E. in Tal are considered to be before her birth.
Under Rain's forces, the whole Northern region is unified. At that time, Zyn suddenly had left from Rain's side. Then, Shigu's directional reign would begin to face gradual changes from this as [...]