Almost everyone on Arthur's side had mastered the Patronus Charm.
Especially Hermione.
What she possessed was no ordinary Patronus Charm, but an improved version modified by Arthur himself—
a fusion between the Patronus Charm and incantations from the Lands Between.
It carried sacred properties.
Against dark creatures like Dementors, its lethality was overwhelming.
If not for worrying about accidentally harming Arthur's summons, Hermione would have already wiped out every Dementor on the battlefield herself.
Even without doing so, however—
with all the magic Arthur had taught her, Hermione still cleared the battlefield at astonishing speed.
Watching this scene, Dumbledore sighed inwardly.
He truly felt old now.
The younger generation had already surpassed him.
More than half the Death Eaters on the battlefield had been killed by Hermione alone.
Death Eaters lay scattered across the battlefield in miserable disarray.
Most of them were already dead.
Only a small number remained alive with shattered limbs.
Arthur didn't even need to think to know who was responsible for that.
Obviously—
Dumbledore.
After all, the others weren't exactly the type to show mercy.
Lucius and Snape fought their former colleagues with absolutely zero hesitation.
As for Harry—
after killing the Lestrange brothers, he began imitating Hermione.
He moved around the battlefield specifically searching for wounded or distracted Death Eaters to finish off.
Meanwhile, Hermione herself practically guaranteed a Death Eater died every time she cast a spell.
And that was with Melina not participating.
Otherwise, the battlefield would probably contain a large number of incomplete corpses as well.
Seeing that Hermione and the others had already ended their side of the battle, Arthur decided it was time to stop playing around too.
He gently rubbed Hermione's head.
"I'll finish this quickly."
Then Arthur raised the Death Staff and unleashed Comet Azur directly toward Voldemort.
The enormous torrent of magic instantly shattered through Voldemort's Fiendfyre defenses and blasted him flying backward.
Holding cat-Hermione in his right arm while carrying the staff in his left hand, Arthur slowly approached Voldemort.
He looked at the struggling Dark Lord crawling back to his feet and calmly asked,
"So…"
"Are you still not planning to call out the person behind you?"
From the very beginning, Arthur had already noticed that Voldemort's state closely resembled the modified "Voldemort" he himself created.
No matter what—
Arthur refused to believe Voldemort naturally achieved such a state on his own.
Meanwhile, Voldemort had desperately avoided asking Death for help.
Because he knew—
the moment Death appeared, everything afterward would no longer remain under his control.
And that "everything" might even include his soul itself.
However—
Voldemort was now completely defeated.
No matter how unwilling he felt, he ultimately chose to summon Death.
Even if he lost everything—
he still wanted Arthur dead.
Deathly mist slowly emerged from Voldemort's forehead before eventually forming into a blurry humanoid figure.
The moment it appeared, it immediately began cursing Voldemort furiously.
"Useless trash!"
"You brought so many people and still lost to a handful of enemies?!"
Clearly, Thanatos had already been observing this battle for quite some time.
Which made sense.
Voldemort had been mobilizing death power on an enormous scale.
There was no way Thanatos wouldn't notice.
Otherwise, it wouldn't have instantly started scolding him the moment it appeared.
Hearing the rebuke, Voldemort's anger surged violently.
He summoned Death for assistance—
not to get insulted.
And besides—
did Thanatos seriously not count the thousands of undead Arthur summoned as enemies?!
Was it blind?!
Voldemort didn't even bother arguing anymore.
Instead, he coldly snapped,
"If you're so capable…"
"Then you do it yourself."
Thanatos let out a disdainful snort.
"Hmph."
"Fine."
"I will."
The black mist-like form of Thanatos immediately flowed into Voldemort's body through his eyes, nose, ears, and mouth—
forcibly seizing control of his body.
The process was unimaginably painful.
Voldemort felt as though invisible hands grabbed every nerve within his body before violently ripping them all out one by one.
The agony pierced directly into his soul itself.
It was far worse than being flayed alive.
Voldemort genuinely suspected Thanatos was deliberately torturing him in retaliation for his earlier attitude.
When the pain finally subsided, Voldemort realized he had completely lost control over his own body.
The only thing remaining to him was the ability to observe the outside world through his eyes.
He couldn't even move his eyeballs anymore.
Meanwhile, Arthur calmly observed the transformed Voldemort before him.
Even the whites of Voldemort's eyes had turned pitch black.
Arthur raised an eyebrow.
"Oh?"
"So you called in a substitute player?"
"Mind telling me your name, brother?"
Truthfully, Arthur already had a rough guess.
Aside from Death itself, nobody else could restore Voldemort from a fragmented soul state while also granting him death power.
At this moment, the being standing before him was no longer Voldemort.
It was Death.
More specifically—
Thanatos.
"You insolent mortal!"
Thanatos declared coldly.
"You despicable thief who stole my authority…"
"Remember this well."
"My name is Thanatos."
"Ruler of the Underworld."
"The being mortals call…"
"Death itself."
Inside his own body, Voldemort was stunned.
Arthur had actually stolen Death's authority?!
Although Voldemort didn't fully understand what "authority" meant, he knew it had to be extremely important to Death.
Otherwise, Death would never go to such lengths to kill Arthur.
Meanwhile, Arthur immediately looked offended.
"Oi, oi, oi."
"Don't go slandering innocent people."
"When exactly did I steal your authority?"
"That was a gift from the world itself."
"Don't spit nonsense."
Then Arthur tilted his head slightly.
"And if I remember correctly…"
"Thanatos is supposed to be the Death God from Greek mythology, right?"
"So why exactly is a Greek god wandering around Britain?"
Naturally, Thanatos already knew about the world's gift.
It simply hated the fact that something it had controlled for countless years was suddenly taken away by someone else.
More importantly—
Thanatos feared the future.
What if Arthur continued growing stronger?
What if one day Arthur killed it and replaced it as Death itself?
That was why Thanatos had become determined to eliminate Arthur no matter the cost.
And after witnessing Arthur's strength through Voldemort's eyes—
Thanatos became even more convinced its fears were justified.
Arthur had already grown to such terrifying levels.
He had even developed applications of death power that Thanatos itself didn't understand.
(What Thanatos didn't know was that Arthur's undead summoning magic actually originated from the Death Staff itself.)
And now—
there was even another woman wielding death power alongside him.
Thanatos silently resolved itself.
No matter what—
these two mortals who wielded death power had to die.
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