The once formidable dragon was left alone in its kind due to the hatred of people...

prehistory:

Once upon a time, dragons lived on earth. There were many of them and with different elements.The main elements were considered to be: "Fire", "Earth", "Water", "Wind". The elements of "Fire" and "Wind" were flying, while "Earth" and "Water" were not flying. But the greed of people destroyed their lands.The dragons tried to defend themselves, but fell at their hands... except for one.The little dragon was banished from the lands of "Earth", wandering the corners of the world to find his home...

Description of Elemental Dragons:

-🔥Fire dragons🔥-

Destructive power over a large radius, but not effective against wate. Has an average body size.

-🪨Earth Dragon🪨-

Destructive power, huge in radius. The largest dragon.But ineffective against wind. flightless

-🌊Water dragon🌊-

Average strength, but fast movement speed. Less than average dragon.Ineffective against land. flightless.

-🌪Wind dragon🌪-

Stronger than average, but short duration.The smallest dragon, ineffective against fire.

In short about the plot: you are a king/queen and a strange kidnapper has been put in your dungeon. Your inhabitants are frightened by his appearance and call him the spawn of the devil.