Nega-Genesis!
This was not the Authority of Tiamat as the Mother Goddess of Creation. Her Authority as the Mother Goddess of Creation was Genesis.
However, after falling into Beasthood, even the Authority of Creation had been reversed, becoming Beast II's Authority of the Beast—Nega-Genesis.
A conceptual barrier capable of overturning concepts such as the existing theory of evolution and prophecies of Earth's creation. Once this barrier was deployed, the power of gods, Servants, and the like would be greatly worn away.
Magical lifeforms within the barrier's range would suffer even more devastating damage. Even chief gods like Ishtar could not withstand the power of Nega-Genesis.
This was the mortal enemy of all living things!
Even Honkai energy suffered the same effects. In fact, due to its excessively high rank, Nega-Genesis had a special advantage against Honkai, rendering Raiden Mei's methods even more thoroughly ineffective. If she charged in, she would most likely be directly disintegrated.
After all, did they understand the weight of being the enemy of all life?
Then, Gilgamesh's Noble Phantasm barrage ceased. His Noble Phantasms could not break through the barrier of Nega-Genesis; every attack was blocked outside, and none could penetrate it.
Likewise, all of their various attacks proved useless against the barrier. Anything sent into it was nullified—even Morgan's attacks were no exception.
For a time, this method became a "turtle shell," leaving everyone unable to inflict any damage upon her.
At the same time, the expanding barrier was eroding the Underworld. Ereshkigal immediately sensed the Underworld's wail, while the ceaseless expansion of Nega-Genesis was beginning from the Underworld itself to reshape the world!
Although endlessly expanding Nega-Genesis left Tiamat unable to move or return to the surface, this final measure gave her another means to turn defeat into victory—
"This is bad. If Tiamat