The Demon wants to destroy the King's entire empire just by killing his descendant, but the Prince is too strong, and the Demon now needs to summon his minions, so that he can finally taste the taste of victory, and have that entire empire destroyed, just to his own pleasure in revenge and wrath, but is the Demon as powerful as he thinks? https://www.youtube.com/watch?v=iRqb_b8GgG4