Background
In the ancient continent, there are many old civilizations and races are living in constant proliferation and development, and they survived by life space enlarging and resources collection. So there are many conflicts happened while they are scrambling for resources, day by day, it was sharpened and lead to the large scales battle broken our.
With continually battles in the war, all kinds of civilizations and races formed two factions as opposite parties lasts long times. They are humans, Dwarves, Elves, and Gnomes in Alliance; and there are Orcs, Tauren, Night Elves and Undead organized in Horde.
Besides, some races and beings are not being discovered because they are living in rare concealed regions without any interruption since they formed.