This chapter is simply epic.
I'll looking forward for Ereshkigal, Merlin and King Hassan added into the gacha.
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Background
Tiamat, at last returning to this world with the collapse of the foundations of human order and the power of the grail, still lay in deep slumber.'
Putting aside the matter of whether her slumber was caused by Merlin’s magic, Chaldea’s attack had awoken her, whereupon she followed her instincts and began a course of action to exterminate humanity.
While she does hold a grudge and bears hatred and sadness for being abandoned after her purpose has been fulfilled, she is doing this to indulge in the “joy” of once again becoming the mother of everything.
With these properties of her true nature, her class had been decided.
The goddess of Genesis is but a false name.
She is a great disaster, left behind by humanity, most rejected by human history.
Her name is Beast II.
One of the seven evils of humanity, the beast with the principle of “regression.”