If the barrier was broken, there would be no way to stop the abyssal creatures 'invasion.
They were already prepared to die.
After this barrier was broken, they would have to face the abyss, but they would not retreat, because behind them were the people they wanted to protect and the land they loved.
Senior white and many other immortal-level existences were also prepared to fight to the death. If the ancient power mentioned by Jiang He didn't take effect, they would use their bodies as their own to seal the abyssal rulers.
As for the invasion of other abyssal species, they were powerless.
"Jiang He, the Kunlun mirror has cooled down."
Senior white said to Jiang He while in the air.
"Senior, I'll have to trouble you."
Jiang He whispered to the nation-suppressing sword.
"Go! You just need to wave me in front of that abyssal Overlord. "
"Alright!"
"Roar!"