Lion King of Apocalypse

1.5 million years after the apocalypse of a certain planet a being hatched from its cocoon, this being was of massive size, and the place of its birth was on a moon harboring a blue planet.This blue planet is now the third biggest planet in its solar system.As soon as this being opened its eyes it knew the purpose for its existence.Non the less as a guardian whose role was to watch over the first batch of life on the mud planet this being chose to abandon that role and explore the vast universe.In its return after a few thousand years of exploring the universe it was devastated after finding out the dinosaurs went extinct and a new guardian was in its place rage overtook it as the two beings fought.While no lifeforms could compete with the Sky Dragon and the Pure Titan of Pacifist, both of them ruled the world once.As they fought for centuries, they learned much of themselves, desiring to transcend their limits by consuming the other to become an Overlord of this world.Now their remains still compete for supremacy.Gems of power, 20 gems of different colors 9 emerald gems of the sky dragon, and 11 of the pure titan.They each hold a power belonging to the two beings who ruled the world.Though they are gone their remains caused the world a catastrophe.Force energy from another dimension reawakened, evolving the creatures into the ultimate version of themselves.A king will be born that will stand above them.The 9 rulers, humanity's strongest will face the 11 monarchs, monsters that hold the extinction key of the world.Who will become the Overlord?