C665 The Giant Mountain from the Dragon Island

"Breaking through this defensive barrier won't be easy!"

Zhang Xing mused to himself.

Back when they launched an assault on the Newco Empire's Imperial Palace, they only managed to breach a section of the defensive formation—and that was without any resistance.

But Forth was a different story. With their formidable Tier 7 Iron Dragons, they were bound to intervene.

Moreover