V looked down at the Spell Card in his hand, took a deep breath, and slowly raised it over his head.
Before this, only his brother IV had tested this card. It was power from another world known as Barian, containing immense Chaos Power. As a researcher, V had long warned that the card might be dangerous, but their father had not cared.
Thanks to IV's sacrifice, V had gathered and organized the data IV left behind after his previous use, then developed further safety measures. Only now could he wield this card with greater control.
Of course, time was short, and he had only managed to put together some basic emergency safeguards. Using this card with a Mortal Form was still extremely dangerous, but he could not afford to worry about that now.
V clearly realized that this enemy was no ordinary opponent. This blond young man was most likely no ordinary duelist in this dimension either. And the way he had casually tossed a coin and blown away V's Dyson Sphere had genuinely startled V.
This was not an enemy he could defeat while holding back. He had come here behind his father's back to rescue his two captured brothers. If even he got caught up in this...
Having made up his mind, V hesitated no longer. He raised his head and finally played the card in his hand.
"Rank-Up Magic—
—Barian Power!"
The instant the Spell activated, Chaos Power enveloped V. A vast force shot into the heavens like flames burning across the sky.
V: "Barian Power lets me use an Xyz Monster on my Field as Xyz Material to Xyz Summon a Monster one Rank higher with 'Chaos' in its name!"
Joey Wheeler: "A Rank-Up!?"
He could not help looking up at the enormous sphere in