[There was a darkness deeper than even the deepest parts of the Deep Floors. This endless pit, which could not even be contained in the Underworld, was called the ‘Abyss’.]

[There was only darkness to be found in the pit, and it was a world dominated by a cold so bitter that not even creatures with the thickest hides could survive in it.]

[The harsh environment was unsuitable for any living being, and the inhabitants of the Abyss had to warm themselves by feasting on the blood of their own people, consuming the flesh of their own kind to fill their hungry stomachs. These beings were looked down on by the entirety of the Underworld, and were known to everyone as the ‘Reapers’.]

[The Underworld Serpent, Jörmungandr, was the ruler and savior of that Abyss. Only Jörmungandr could face the Underworld Lords, who had built themselves high walls to protect themselves, and fill the hungry stomachs of the wretched prisoners.]

[But not even Jörmungandr was able to stop the vicious cycle of cannibalism of his own kind.]

[Jörmungandr was determined to end the tragedy of his people, and waged war against the Underworld. That war was the ancient ‘Twilight’.]

[But Twilight was defeated. Jörmungandr also suffered heavy wounds in his fight against the Ancient...