C191 Another esper

This is the heart of the mecha?

Everyone said in unison.

Yang Xingang smiled and shook his head, "Everyone knows that this is the core of the Battle Mecha, but I guess you all have the answer in your hearts.

He mysteriously swept a glance over everyone and slowly said: "That's right, this is the core of the three Space-class Battle Mecha."

"Not only that