"The Dragon Blood Species, a research topic that has thrived among Alchemy Wizards for ages.
Before the Wizard World was known as such, Giant Dragons and Sea Monsters ruled the skies, the land, and the oceans of the Wizard World. During that period, every mountain peak on the Wizard Continent was adorned with glittering Dragon Nests.
Thereafter, Wizards wrested control of the Wizard World from the Giant Dragons and reached an agreement with the Sea Monsters, becoming the new Dominators of the Wizard World.
And the Giant Dragons, naturally, became objects of study for the Wizards.
The bloodline of a Giant Dragon is incredibly formidable; any Giant Dragon that reaches maturity can become a Level 1 Creature. With age, as new heads grow on a dragon, its Life Level would increase by one for each additional head.
In the heydays of the Giant Dragons, the Wizard Continent was home to five Six-headed Giant Dragons, which later became trophies for five different Schools.