At that moment, terror gripped everyone's hearts.
What had they just seen?
A drop of pure black Corpse Water fell from the ancient corpse and drifted through the air. It emitted no ripples, nor did it carry any powerful aura. It was like an ordinary black pearl, looking incomparably fragile.
As it left the ancient corpse and passed through the flames on the blade, they had even worried that the flames would evaporate it on the spot.
But they did not.
It floated before the Undertaker.
Its speed was slow, as though the scene had been stretched into slow motion.
Yet the instant that seemingly delicate droplet touched the Undertaker—
The Undertaker died instantly.
The Undertaker lay quietly on the ground.
That flaming blade that had sealed heaven and earth also lay silently beside him.
No one could believe it.
He... was dead?
"Undertaker Captain!!!"
What exactly had happened?
The person in charge of Sky City panicked.
The moment the Undertaker had been touched by the Corpse Water, his vitality had been drained away. Without vitality, his bodily functions had stopped at once.
In medical terms...
He was indeed dead.
This was a Rule Power of death. The moment one touched the Corpse Water, one would die instantly.
Rules... did not need to make sense.
It was over!
Everything was over!
Everyone froze in that instant, as if their own vitality had been drained along with the Undertaker's. They simply could not believe what they were seeing. The Undertaker had been so powerful. Just moments ago, he had used One Blade Seal Burial on the Tomb Cluster. He should have been invincible—so how had he suddenly died?
Yet every instrument now declared him dead.
Even the biological scanner showed no response from him. His heartbeat had stopped.
The only person