A battle between Heavenly Emperors was a long and extended encounter, as the expenditure of Authority would not conclude in just a single day. On top of that, no one possessed more life force than Heavenly Emperors. Even if one's body was ruined, reduced merely to scattered chunks of flesh and blood, as long as their Authority was not destroyed, they would eventually reabsorb sufficient amounts of that power to revive. Thus, truly killing a Heavenly Emperor was no mean feat. 0

The only thing a Heavenly Emperor had to fear was another Heavenly Emperor with a Divine Fruit. This was because Divine Fruit Heavenly Emperors possessed a unique killing move—they could transform their Divine Fruits into Divine Fruit Domains. 0

Divine Fruit Domains were sealed worlds, and Heavenly Emperors that were trapped within would have their connection with the outer world severed. After which, they would be suppressed by their foe's Divine Fruit Authority,...0