Qiongqi, Chaos, Taotie, and Taowu.
Around 900 CE, during the Heian Period,
they followed the Kirin siblings, Kirinmaru and Zero,
crossing the sea from the opposite continent to Japan as the "Four Great Calamity Beasts."
Nühuo was the leader of Japan's Woe Clan.
From the moment they hatched from snake eggs, each of them possessed two souls within one body.
Only when the stronger devoured the weaker would they become complete demons, inheriting the devoured one's Demon Power and abilities.
Together, they formed the elite class and backbone of the Great Eastern Demon Kingdom.
At that moment, each led tens of thousands of demons through the Fukushima Prefecture region of the "future," using the dense forest terrain to launch layer upon layer of resistance against the Astral Legion's northward advance.
At first, they had followed the traditional tactics of this era, launching frontal charges in large formations.
But before these demons even caught sight of a human figure, they were hit by beyond-visual-range, carpet-style firepower from bombers, Rocket Launchers, howitzers, and tank guns.
Several thousand demons were nearly reduced to ashes in an instant.
Later, the more cunning Chaos came up with a solution and proposed it to Qiongqi, Taotie, Taowu, and Nühuo.
They would scatter their forces, letting the demons make full use of their individual talents and familiarity with the terrain to harass or assassinate the Astra Militarum's encampments and soldiers by every possible means.
In other words, they would abandon frontal warfare and switch to the style of fighting demons knew best.
That way, the Astral Legion would have no large clusters of targets to bomb. Where could they even strike?
But as long as they dared send troops in, they would have to face the demons' various arts!
Not to mention that many demons were individually