Seiya - BIG Walls

But Seiya casually snaps his fingers and says:

“Repair Iron Wall.”

Then the ground begins to rumble.

“Seiya! You regenerated the south wall that was about to break, right?!”

“No, I repaired all the walls.”

“R-really?! You had enough MP left to do that, huh?!”

“I also increased the thickness of the walls twentyfold along with extending the depth by two thousand meters.”

“...Excuse me?”

I—I must be hearing things.

“Um... Could you repeat that one more time?”

“The  reinforced  walls  are  twenty  times  thicker  and  extend  two  thousand meters underground. Not even an ant can get through now.”

***

Volume 4, Chapter 33