C178 Upgrading to Level 5

"Forget it, I can't even begin to guess what's going through your mind. I'll just find some materials in the sea after the upgrade," Ke Lianna said with a sense of resignation toward Situ Yu.

"Just to be clear, this planet can only take our armor up one more level. After that, we'll need grade E metal for any further upgrades."

"Hehe, guess I'll be counting on you then