The Thunder family was the most powerful family in the Avalon Empire, at least until the head of the family, Xavier Thunder, passed away. When the family head died, the Thunder family weakened and lost most of their lands. While the Thunder family was in a dire situation, a special girl was born into the family. Years passed, and this girl awakened the "Eyes of Reality." However, this was not a blessing for the Thunder family; it was a curse... The other great families united and attacked the Thunder family, killing everyone. Only fifteen-year-old Amy Thunder and a newborn baby, Alice Thunder, survived the massacre. But our story is not about them... When Damien Thunder died, he found himself on the tenth level of hell. In a situation where the gods remained silent, one must speak with demons. Damien did exactly that... "The crown prince Damien is dead," said the demon. "The demon of vengeance, Zarathos, is born," it added. ——————— A world inhabited by gods, demigods, monsters, and demons. Our story revolves around Damien Thunder. After returning to the world, his mindset and thoughts change. What to expect: - No harem. - No romance. - An evil main character. - A powerful main character. - Bloody battles. - Challenging fights. - Massacres. - Satisfying revenge scenes. - Different worlds. - Fast-paced action.