(Big spoiler for those of you who haven't read record of ragnarok the manga is one of top tier please go and support the original)
Lu Bu and Thor having fight to the death, however everybody in the arena didn't know is this is the first time both men have ever experience what the truly joy is. After Lu Bu death, Lu Bu thought there is no place for his soul to go to, but he was wrong his soul suck to Other universe
(Disclaimer I don't own high school DXD or record of ragnarok)