Dragon God: Reincarnated As the Last Dragon in a Cultivation World

From the Beginning had many species lived, Humans, Elves, Banshee, Serpent, and more on, but the first ever species, were Dragons, not simply 'elemental' dragons, but ones which instead of destroying, were protectors, such that they were revered as gods, but as such, perception twisted the more they merely hoarded gold, though it was nothing more than a collection to them. A hobby to collect, and in return it protected. Humans didn't know such, nor Did Elves, yet when Humans had grown strong enough, such as with Cultivation, along with the other creatures.One of which who was known as 'Keter' An old, dragon, which had turned to their form, of which resembles man, be it an elf or Human, it didn't matter. But, from another world, was Caelus, his name wasn't normal, such that he was also considered weird, but also somewhat liked. Though it was cut short, but he didn't dislike his old world. But even when he wanted to go back. He found less and less reason to do so.