Asmodeus was greatly concerned about this, but to his inquiries, the Great Serpent seemed indifferent.
"At that time, it casually told the Lord of the Nine Hells that although the Abyss and Hell seemed separated, they had in fact always been one and the same from the beginning."
No matter how strong it became, no matter how much Source Power it absorbed, Tartarus could not undergo a fundamental transformation without completely abandoning Hell, as it was something predetermined from the start.
Even in the worst-case scenario, Hell could at least find a way to fend off the influence of the other's ascension and not shatter as a consequence, which is why Asmodeus was able to put his mind at ease.
But now, when push comes to shove, he suddenly realized that reality might not be as it seemed.
In the depths of the Abyss, a dazzling light illuminates the world.