Swordmaster’s Youngest Son Novel 2026

## Chapter 884

The vast plain unexpectedly transformed into a deep sea, but Luna and Siris were neither trapped nor unable to breathe.

As soon as the water rose, Luna instantly expanded a spherical protective shield, and Siris also formed a similar shield using the power of Full Ice.

“The dimensional portal won’t open, First Flagbearer.”

“Interference with spatial movement. It seems they have such abilities, like Elona Zipple.”

Luna calmly looked at the enemies. Strengthened by Zito’s flesh, the Demon Kings writhed with confidence in their enhanced power.

An unexpected turn of events.

However, Luna had faced more serious and dangerous variables while navigating the Black Sea than what was unfolding before her.

“Well, it seems we have no choice but to fight… Well, dealing with variables is also an important skill. From now on, focus on assisting me and protect yourself as much as possible.”

“Understood.”

“Heh, fighting underwater is probably something new to you. Let the majesty of the True Demon World’s Deep Ocean be revealed…”

Sssssshhh—!

The moment Vise spoke, the water that had suddenly filled the plain split in half, and a massive crimson aura surged upwards.

The aura evaporated most of the water Vise had formed in an instant. As if a cloud had settled, the battlefield was momentarily obscured by the spreading vapor.

“Be careful, everyone! It’s the Crimson Aura!”

While Vise shouted with fervor, Luna nodded inwardly.

‘They are powerful, but they feel weightless. Compared to Gikalo, these guys seem somewhat weaker in both strength and intelligence.’

Vise croaked like a third-rate villain, while Kukan executed his swordsmanship indiscriminately, swearing vengeance for the fallen Shikan. Tilias, for the most part, exuded the bearing of a Demon King, but it seemed he lacked the authority to control his foolish comrades.

Among this group that Luna had assessed as “foolish,” there was one demon who undeniably justified her assessment: Misol Huwan.

“Misol!”

Witnessing the fortress being destroyed by Luna’s aura, Misol charged towards the battlefield while roaring her own name. With a physique three times larger than the other Demon Kings, she wielded a massive mace that suited her imposing build.

Clang—!

Luna dodged her mace and was momentarily surprised. It felt as if the overwhelming force reminiscent of Hedo was being transmitted through the weapon.

“Misol, Misol, MisolMisol!”

“Heh, didn’t I tell you? Our Misol won’t stand idly by while her castle collapses!”

“Misol!”

“Does it seem like more than just ‘not standing idly by’?”

All the Demon Kings were truly formidable in strength and combat prowess. The evaporated water quickly returned, creating a whirlpool, and Siris momentarily lost her balance as its force threw her off.

Seizing this opportunity, Kukan’s sword cut through Siris’ hair. If her senses hadn’t been sharpened by her encounters with the commanders, the attack might have hit her cheek instead of her hair.

The Demon Kings were unaffected by Vise’s water. It was evident that the Demon Kings had a significant advantage over Luna and Siris, who had to continuously evaporate the water to fight.

‘If this continues, it will become truly dangerous. Not only the dimensional portal, but communication is also blocked.’

Luna was incessantly executing the Crimson Sword Technique. She infused her attacks with the Crimson Aura not only when she used her Mind Blade, but also when she used decisive final movements like meteor showers.

Even during the expedition to the Black Sea, she had never used such a large amount of Crimson Aura. The more she used it, the lighter her body felt, and her senses sharpened. However, along with this feeling of awakening, there was also an anxiety she couldn’t figure out the cause of.

‘Vise, the one manipulating the water is the most annoying. Somehow, I have to deal with him first to create some space. And I need to find out who is blocking communication and spatial jumps and take them down. Either way, as long as we win… it’s like dealing with the four pieces of Zito’s flesh at once.’

While facing Luna head-on was Misol’s task, the other Demon Kings circulated like snakes, seeking openings.

And whenever an opening appeared, it wasn’t just weapons that pierced through. Magic: the higher-ranking demons of the True Demon World were proficient in both weapons and magic.

Among them, the magic the Demon Kings were currently using was primarily dark magic curses. While weapons could be deflected even if they came from difficult angles to dodge, curses, the moment they touched even a sword, corroded the body in an instant.

Due to Luna’s lack of immunity to curses like Jin, she was particularly vulnerable to them. While she couldn’t discern the specific details of the curses, they were enhanced by Zito’s power, so she had to avoid them absolutely.

Furthermore, Luna also had the responsibility of protecting Siris.

‘It would be better if Lady Siris seized the opportunity to counterattack first. That way, I can also make my way to Vise. Can Lady Siris handle it?’

She didn’t ask Siris directly.

At that moment, Siris seemed to lack even the luxury of sharing a single word of conversation. She was sweating profusely, defending herself from all sorts of curses and attacks from Kukan that broke through Luna’s protection.

Fortunately, Luna soon realized her concerns were unfounded. Siris had seized the opportunity to create an opening.

Full Ice Sword Ultimate Technique, White.

From the moment the battle began, Siris quickly understood that the core of this battle was “herself,” even faster than Luna.

From the beginning, she understood that she needed to initiate a counterattack for Luna to move freely.

For this reason, Siris had been preparing the Full Ice Sword Ultimate Technique, White. Since normal offense and defense would be useless, she judged that she needed a powerful technique that could momentarily shake the Demon Kings.

Voom—!

Out of nowhere, a wave of Full Ice frost shot out in the middle of the battlefield. Kukan, who had been charging the entire time, momentarily dodged it. The freezing aura enveloped the entirety of the True Demon World’s deep ocean that Vise had opened, but it posed no threat to Luna.

[T/L: 빙화 – frost/freezing aura.]

“Be careful, First Flagbearer!”

“Truly splendid, Lady Siris!”

The White that Siris executed this time was much larger and its sharpness deeper than when she killed the commanders, but…

It couldn’t silence the enemies at once like it did back then. The Demon Kings skillfully dodged facing the freezing aura head-on, waiting for the White to dissipate. While Misol continued to demonstrate her strength by breaking the ice while shouting her name.

“Misol! Misoool!”

“Hey, Misol! What do you think you’re doing, breaking that? You should avoid it…!”

“That idiot!”

Both Vise and Kukan exclaimed in astonishment at Misol’s incredible decision-making. They knew Misol was foolish, but they never imagined she would fall for something so obvious.

Luna passed by Misol, who was preoccupied with the freezing aura, and swung Krantel towards Vise.

“Gah!”

Vise reacted not too late, deflecting Krantel, but he felt his entire body being torn apart by the Crimson Aura flowing through the sword.

‘Damn it! Is this why Sir Paelito was so cautious about this power…? Damn it, just clashing weapons makes me lose my mind! How the hell did that fool Misol endure this?’

There wouldn’t be another opportunity like this, so Luna decided to exert all her power. There’s no way Siris can consecutively deploy the ultimate technique, White.

Therefore, Luna was exerting all her strength to pressure Vise. Decisive final movements and secret techniques like Sky Breaker, Lightning Bolt, Meteor Shower, and Light Speed Thrust continued incessantly, like a normal blow. Of course, all of them contained the Crimson Aura.

And Zito’s flesh was working like poison in this situation. Zito’s energy was reacting to Luna’s Crimson Aura, amplifying Vise’s agony.

Except for the amplified pain, there was no difference in the enhancement through Zito’s flesh. However, Vise wasn’t particularly resilient to endure pain while fighting.

‘This is insane! That idiot Misol should control herself and help me a bit. Kukan is still obsessed with Siris… Then, even Tilias!’

Tilias!

Vise desperately shouted his name. Tilias had moved to the opposite side of Vise, avoiding the freezing aura, and suddenly Vise felt uneasy.

‘But why didn’t Tilias join us on this side before I called him? He could have come to protect me, dodging the freezing aura!’

Tilias moved quite slowly at Vise’s call, almost as if he had no intention of rescuing him.

Vise was overwhelmed as he was pressured from all sides.

And there was no one else who could face Luna while she had “other thoughts.” If even Cyron, let alone Jin, has to deal with Luna, he will have to concentrate fully on her alone.

In other words, Vise was practically being decapitated by Luna at this moment.

“Die!”

Luna, with a triumphant gleam in her eyes, concentrated the Crimson Aura spreading in all directions into Krantel.

Mind Blade: Blood Moon.

Due to the preceding decisive final movements and secret techniques, Vise had many holes in his body and couldn’t respond properly.

Naturally, Luna’s strike, filled with all her power, was thousands of times faster than his body’s recovery speed.

In the end, Krantel, swung at a scandalous speed, hit Vise from both sides and annihilated even the fortress behind him, leaving no trace.

Following the ruler of the Volcanic Zone, the moment the ruler of the Deep Ocean Zone had perished had arrived. As soon as Vise died, the water that had covered the battlefield disappeared without a trace.

‘Whew, at least I got one. But this Crimson Aura… it’s swirling in my body like it’s about to go wild. There’s never been anything like this, could it be a sign that the amount of uses Father mentioned is reaching its limit? However, I don’t feel as exhausted as before…’

In any case, it wasn’t a situation where she could conserve the Crimson Aura and fight. Although Vise was dead, the other three were completely unharmed. Especially Misol, even after resisting Luna’s Crimson Sword Technique and enduring it head-on, showed no signs of exhaustion.

‘For now, I need to protect Lady Siris again. Now that she’s used the ultimate technique, she won’t have the energy to properly defend against Kukan’s attacks.’

The freezing aura was fading. The Demon Kings were pressing Siris, and Luna pondered for a moment which side to pierce through.

In that fleeting moment of choice, Luna was startled, opening her eyes in surprise.

“Huh?”

Thunk—!

Tilias’ sword had pierced through Kukan’s back.

Chapter 884

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