Nothing

To make everyone feel a bit better, Sealyn infused her spear with mana and made it glow, and illuminated the surroundings. Thanks to that, they realized that they were losing speed. They wanted to ask Rain the reason for that, but his eyes were closed, and his brows were furrowed… he told them not to disrupt his focus as well.

"This must be what Dad said about the barrier making it harder to dig deeper after some point," Danny whispered. "The ground is being restored above us."

"It will only get harder from here onward…" Annie said while nodding with a serious expression. "Still, if he isn't stopping, he is confident that he will pull it off."