Prehistoric: the Most Ostentatious Turtle with Full Defense Points

Nangong Xuan transforms into the North Sea Turtle and is bound to the absolute defense system at the beginning. The Lich calamity was approaching, so he huddled in his shell and practiced silently, stacking armor, stacking armor, and stacking armor again. It wasn't until Kunpeng broke his own claws with a full blow that he was shocked to realize that the "Taiyi Golden Immortal" turtle's shell... Even the saint couldn't penetrate it.