Before the introduction of
Summoners War: Sky Arena
A war broke out in the kingdom of Efrana on the continent
where Garen Forest and Mt. Siz are located.
You must protect your kingdom and manors
from the Kadugan forces and drive out Kadugan who is ceaselessly war-driven.
Year 819(Post Rift)Outbreak of the Hundred Years' War
over Mana Crystals,
the great source of power
Year 852(Post Rift)Efrana Kingdom torn to pieces due to the Efrana War
Year 855(Post Rift)Kadugan conquers most of Efrana in three years
with his accumulated power