Evil Dragon's Demonic Might! (5)

Then, advancing from level 16 to 17 required an Advancement Potion."

All of this needed Levi's verification.

"After the Golden Snake Breathing Technique reaches level 16, I'll need to find mixed-blood dragon clans of level 4 or higher in the fourth level, which is the domain of water elements. I'll have to spend some time there to locate the ingredients for the secret medicine before proceeding to the fifth level to search for earth dragon clans."

In the first level, the land of earth elements, he spent a year in the swamp picking Saint Fruits but encountered no mixed-blood dragon clans. Thus, he could only pin his hopes on the fourth and fifth levels.

Of course, the third level, the Land of Wind Elements, might also birth earth-type mixed-blood dragon clans, though the probability was lower.

Additionally, Levi's Crimson Emperor Dragon Breathing Technique was nearing level 16.