"That place is the academy's treasure trove."
"What?!"
When everyone heard that, they knew this raid had been planned long ago.
"Louise, come with me. We're going after them," Yuuji said, preparing to merge with Sombra.
"Partner, let's show them our true strength."
Yuuji instantly transformed into his white-haired form, dressed in a red outfit with metallic pinwings unfurled behind him.
"Lucifer." Holding Louise close, he took to the skies with Lucifer's flying ability and began chasing the enemy.
"In an emergency, all students return to the dormitories first. Other capable teachers will join the pursuit," Princess Anrietta ordered, watching Yuuji and Louise disappear as she silently prayed, "Be safe. You, Louise, and Mr. Enchantress."
Thanks to Lucifer's speed and Yuuji's skill, Louise quickly caught up to the thief who had just stolen something. Glancing at the summoned object at her feet, Louise recalled the thief's name.
"Fukai of the Clod—a magician who's been very active in the royal city lately, using stone statues as weapons," she briefed Yuuji.
They approached the enemy together. Louise dismounted and confronted Fukai. "I know your strength, but stealing anyway? You're quite bold."
Fukai, cloaked and familiar with Yuuji's recent exploits, was originally prepared to give up. But last night, someone came to her aid.
"Don't worry. Your real opponent isn't me—it's him." Behind Fukai, another figure appeared—one Yuuji hadn't noticed before.
"Louise, the situation's changed. You should leave now," Yuuji warned, a cold sweat breaking out.
"What do you mean?"
"I don't want to know either—but I have to."
A man approached, bearing a magical pattern on his body, his eyes hidden behind a blindfold. Two large horns protruded from his head, and magic wings spread behind him.
"The power of the Lich King. Even in other worlds, my enemies still follow."
"Illidan Stormrage." Yuuji stared at the newcomer, his shock evident.
At that moment, the dark shadow stirred again within Yuuji—a powerful force awakening.
"Sorry, partner. That force awakened because of the same-world power. I need to leave for now."
Yuuji's red dress gradually faded, replaced by armor of old. He gripped the sealed Frostmourne sword tightly in his right hand once more.
"So it's truly the power of the Lich King… but it's limited? Disappointing." Illidan sneered, noticing the sword wrapped in golden chains.
"How could this level of strength threaten Illidan?" He soared forward, wielding his twin blades. He didn't bother ignoring Louise behind him—he faced her sword directly.
Illidan's power far exceeded Yuuji's expectations. Even with agility on his side, Yuuji struggled to resist.
Yuuji unleashed a blast of ice to strike Illidan, but Illidan countered by igniting flames beside him, blocking the frost attack.
Yuuji had forgotten: Illidan's abilities weren't limited to just four simple skills.
Magic gathered in Illidan's hands, erupting violently and catching Yuuji off guard, injuring him.
"It's not over." Illidan pressed the attack, gathering energy again. Magic flames engulfed Yuuji, sapping his power.
Yuuji tried to summon ordinary weapons to stop Illidan, but Illidan ignored them—they passed harmlessly through him and flew behind as if invisible.
A knife struck Yuuji unguarded this time, sending him flying.
"Hah, vulnerable," Illidan mocked the struggling Yuuji.
At that moment, the power of Frostmourne surged back, and the dark shadow reappeared beside Yuuji.
"Partner, it's time to unleash our strongest form."
"Other me, let's fight together."
"Let's show him what we've got."
Blue flames enveloped Yuuji once more. Louise, watching nearby, recalled the day she had first summoned that power.
"The power of the demon… fascinating." Illidan's eyes gleamed as he faced the demonized Yuuji.
"Then I'll show you my transformation." Illidan surrounded himself with darkness, growing taller and wreathed in magic energy like a living suit of armor.
"Come on." Illidan charged, hurling a magical fireball toward Yuuji.
Demonized Yuuji moved swiftly to dodge, wielding a samurai sword in his right hand and slashing wildly at Illidan.
Countless blue sword auras clashed with Illidan's flames. Illidan could only defend, using magic to repel the sword energy.
Yuuji closed in, drawing a cutting slash that tore through the air—making Illidan feel the very fabric of space rip.
After blocking the slash, Illidan sneered, "Is that all you've got?"
Suddenly, Illidan found himself unable to move—dozens of sword wounds appeared across his body, and he was blasted into the air. His demonic transformation faltered under the heavy damage.
Seeing Yuuji approach, Fukai realized the true monster she faced. Trembling, she returned the stolen goods and begged for mercy.
Yuuji paid no mind to Fukai. His concern was Illidan's sudden appearance. Without the boost from Sombra, this encounter could have gone much worse.
"Hah, looking for information, are you?" Illidan mocked Yuuji's steady advance. "Fine, I'll tell you. Soon my organization will send a massive army to attack this world. Guardians—try to protect what's in our hands. Hahaha."
Finishing his words, Illidan transformed into a swarm of bats and vanished.
"An organization threatening the world? That must be this mission's true target." Yuuji didn't force Illidan to stay, knowing he still had tricks up his sleeve.
Calling on his demon form, Yuuji returned with Louise and Fukai to the academy, handing Fukai over to the authorities, and took Louise back to the dormitory to answer all her questions.
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