Stardust Dragon, Demon King's Malice (4k) / Stardust Dragon, Demon King's Malice (4k) ("Complete Edition 40% Off")

As long as it remained the "Demon King," it would never die. Unless... the passive skill "Undying King" was sealed or erased.

There was no doubt that such a thing could be done.

After all, "Undying King" was not completely invincible.

Moreover, judging from the information currently available, the overall weakening effect of "Undying King" would likely remain permanently attached to the Magitech Card "Four-Winged Cat King" as a persistent buff.

The only question was whether it would remain after the Fusion was undone.

Dark had not expected this "Fusion" to be permanent. He still estimated that it would last the usual fifteen minutes.

But until that had been verified, it was best not to let "Four-Winged Cat King" trigger "Undying King" too often.

Otherwise, both the "Demon King Aleister" and "Demon King Eldritch" Magitech Cards might be rendered useless.

Finally, he looked at the fourth Ultimate Move—"Hell Rock"!

[Hell Rock: Four-Winged Cat King can summon a rock band from hell. When the rock music begins, Four-Winged Cat King will gain incredible power.]

Dark had originally thought "rock" was a verb. He had not expected it to be a noun.

And the information on this entire Ultimate Move was so vague that it did not explain what, exactly, was so "incredible."

Still, this was the Ultimate Move of a fourteen-star Magic Spirit. It could not be bad, could it? Dark frowned slightly, then gripped the Magitech Card and looked up. "Four-Winged Cat King, reveal your true form!"

The Mage's compulsory command jolted Four-Winged Cat King awake from its rejection of its own form. Its heart resisted "obeying the command," but the four wings on its back had already begun to flap. Its cat-pawed feet stomped down, and its entire body shot out of the carriage.

Then, in midair, it revealed