Wanting to kill all humans, yet no matter how hard he tries, they can't be killed!
The opponent's abilities are also strong; they've even set up various formations to trap him. Their array is too powerful!
He is trapped within the formation, unable to escape; the only way is to kill, kill, kill!
Kill the damned humans; by killing them all, he could recover his lost destiny!
The Demon King saw some hallucinations before him, thoughts from his past, even those he had killed before, are now coming back for revenge!
Those whom he had killed, their souls have come for retribution!
Besides the previous city, the Demon King had actually killed quite a few people in other times and spaces using demons!
It wasn't a massacre, just killing one or two people for destiny!
The previous massacre was for that ancient city, for its master to emerge!
It was a test!
At that time, the Demon King was confident, thinking he could match the city's master!
