Just then, while the two were locked in fierce combat, a figure quietly climbed onto the roof from the other side of the building.
Sophia!
She activated Zetsu, suppressing her presence as much as possible as she approached like a shadow.
The instant Leo sent Illumi flying backward with a punch, she lunged out and struck at Illumi's back with her palm!
Her timing was impeccable!
But a Zoldyck Family assassin's vigilance far surpassed that of an ordinary person.
An instant before Sophia's palm touched him, Illumi twisted sideways and gathered Nen aura to protect his back-
Smack!
His Nen aura absorbed most of the blow, but the remaining force still made Illumi stagger.
He used the momentum to surge forward, putting distance between them before turning to face the suddenly appearing Sophia.
For the first time, a flicker of expression crossed his impassive face.
"Oh dear. I didn't realize there was someone else."
Illumi tilted his head.
"This could be a little troublesome..."
Sophia hurried to Leo's side, keeping a wary eye on Illumi.
"Master, are you all right?"
"I'm fine."
Leo looked at Sophia.
"Perfect timing. Let's use him to test your ability."
Sophia nodded.
She suddenly reached out and quickly tapped Leo's shoulder.
At the same time, an identical pale blue mark appeared on her own shoulder.
Illumi frowned. He did not understand what Sophia was doing, but his instincts as an assassin told him he had to stop her immediately!
He raised his hand, sending dozens of Nen Needles shooting toward them like a torrential rain!
But an instant before the needles struck-
Sophia clapped her hands.
"Ability activated-Duel Arena!"
A second later, all three vanished from the rooftop.
It was a completely enclosed space.
Rectangular, it measured roughly twenty meters long, ten meters wide,