Even though Lloyd didn't know what exactly an array was, the fact that it had to be the size of a city was both daunting and a little bit relieving. Surely something that big couldn't be that easy to make.

Thousands of lives, though... "That's horrible." He paled, feeling cold at the thought.

"It... depends on which world, I guess. My world was split into two a long time ago. I'm from Sylvarant. That's where the Human Ranches are, where Exspheres are made, but Tethe'alla seemed like it had more of them. One bridge used three thousand of them. There was even a mine to dig new ones from the ground."