Ultraman: Becoming the Dragon of Execution

An Ultraman fan fiction where the protagonist is invincible most of the time, with a few possible changes to the setting. He doesn't start out as the Dragon of Extermination, but it only takes a few chapters. The protagonist, Su Chen, was an ordinary university student in China. By an accident, he transmigrated into Minecraft and became an Ender Dragon. To avoid being killed by Steve, he decided to flee the central island. Unexpectedly, he was swept up in a space-time storm and taken to the Ultraman universe. At first, the protagonist is just an ordinary Ender Dragon. Later, he devours and evolves, eventually becoming the Dragon of Extermination and an even greater existence.