In this world there are 12 dragons possessing different powers, but only 4 have only been revealed and currently the remaining ones are a mystery. There was a group of thieves breaking into the palace of light to steal jewels and gold. As they were putting the gold in their pockets, a voice spoke from behind them and when they turned around there was a black dragon with red eyes glow is staring at them. He is Leo, the black dragon among the 12 dragons and represent death and destruction

"Are you so bold that you dare to come in here and steal my things?"