Most of it had already been said.
Dante was born in the Heavenly World and fought it in order to gain talent and become great. He eventually did, establishing Void Palace and becoming one of the strongest people in the world.
When he was at his best, his enemies targeted him and his family and forced him to run.
Well, that was what others thought. Otherwise, there wasn't a way for him to find a way to the lower universe to bring Damien into existence.
"I died back then."
Damien raised an eyebrow. It was something that would floor anyone else, but Damien had also died so it didn't hit him as hard.
"Damien, have you heard of the Firmament Board?"
Damien shook his head. This was obviously not going to be a story about Dante's life, but he was going to let his father speak anyway.