[Pokemon] Zong Yubai Yan

Ten thousand years ago, the ancient Empire of Zongyu, once immensely prosperous and powerful on the continent, fell apart and vanished completely.

Ten thousand years later, the last prince of the empire, Zongyu Baiyan, crawled out of a coffin deep within the ruins.

And... a green caterpillar.

Baiyan: From the start, all I had was a green caterpillar. Everything else depends on how recklessly I play.

The prince's starter Pokemon [crossed out] green caterpillar [crossed out], a young Rayquaza.

This story has a dark worldview.

There are quite a few original elements, and the pairing is with an original character.