After the Fairy Sacrifice, I Am Invincible

Originally, I was ready to change my ways. As a result, they didn't give me the opportunity. I met a fairy. They are coming to rob it too. That being the case. Then give them all to me. A fairy who is pure and untainted by the fireworks of the world falls in love with a taciturn killer. The biggest forces in the world join forces to fight for it. The power of sacrifice is beyond prehistoric times. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.