While the continent's magicians were experiencing an unprecedented crisis, Vicente's group crossed the last frontier on their journey to enter the northern region of the continent.
As soon as they entered the northern region, the entire group could feel the mana was getting denser and denser, with a stronger presence of common elements and rare elements.
Certain elements only appeared in the most magical places on the continent, near powerful creatures and resources. So, depending on one's aptitude, one would either have to live in that area or accept that one's cultivation wouldn't grow much in other parts of the continent.