Back when the Province was known as the Principality of Northumbria (ノーザンブリア大公国 Noozamburia Taikoukoku?), an unknown object referred to as the Pillar of Salt (塩の杭 Shio no Kui?) suddenly fell from the sky and descended upon the Haliask Capital one morning. The mysterious object remains 3 days in silence. After that, everything in the vicinity of the capital into salt, covering 3 districts and diminishing 1/3 of the population.