Chi-Chi's introduction is the most notable thing here, I've seen bits and pieces of this, but I certainly don't remember her first appearance seeing her decapitating a dinosaur. Anyway, overall volume 1 was pretty fun.
Another greatly drawn chapter with beautiful scenes and landscape. And now proper world-building has begun with the Kame-sennin being Ox King's old master. And it was nice seeing Kin'ton again