In the midst of battle, Renya and Zolgia became aware that Mio and Isha had defeated Fantasma.
"Nuuugh, you lost! Fantasma, despite being a High-class Succubus, to lose to Naruse Mio, who is still immature as a Devil even if it was two against one, and a church girl—how pathetic. I gave you my favor, yet you prove useless!"
Zolgia swung his demonic sword in anger, cursing Fantasma for her defeat.
For Zolgia, even a High-class Succubus was nothing more than a tool, useless if she lost.
'Mio, Isha, well done.'
Internally, Renya smiled at Mio and Isha for their victory over Fantasma.
He had intended to intervene if necessary, but seeing them cooperate and win, Renya swung his devilish spear in praise while simultaneously activating a support spell he had prepared for them during the battle.
A powerful defensive barrier enveloped Mio and Isha.
"This is..."
"Renya's magic."
Realizing this, Isha and Mio relaxed, their expressions softening.
And so, Mio and Isha watched the outcome of the battle between Renya and Zolgia.
"Renya-san! We won!"
"We're fine over here! All that's left is for you to win! Go all out!"
Receiving their cheers, Renya even showed composure enough to nod back while wielding his spear.
"Cheeky brat... Fine. Hope is a good spice that deepens despair. When you lose, Naruse Mio will sink into even deeper despair than when her parents were killed! I will taint her with pleasure and make her fall, painting her with anger, sorrow, and hatred!"
"Having lost all your forces, you still bark well. As I said before, don't you know the saying about counting your chickens before they hatch?"
"I do not! I care not what happens to my pawns! I alone am enough! Because in the end, the only one you can rely on is yourself!"
Zolgia began weaving magical power between his slashes.
Zolgia's true fighting style, the reason he was called the "Sword King," was that of a magic swordsman, combining swordsmanship with magical power.
Renya swatted away the hellfire and lightning that were unleashed, and without pause, deflected the demonic slashes that followed.
Renya's spearmanship was truly exceptional.
"Insufferable brat! But you cannot break this!"
And then, with a look of vexation mixed with mockery, Zolgia's form vanished once more.
"Renya!"
"Renya-san!"
Hearing the worried voices of Mio and Isha, who had subdued the magic-sealed Fantasma, Renya raised one hand as if to say, "It's fine."
Renya created a new demonic spear, colorless and transparent, yet radiating a kaleidoscope of colors.
Wielding the multi-colored demonic spear with both hands, he skillfully spun it and swept the area around him.
As he did, space crushed like broken glass, fragmenting and being split.
"Wh-what!?"
For the first time, Zolgia let out a cry of clear astonishment.
Yes, by destroying the space he was traversing, he could no longer hide.
Recently, Renya had been using sturdy demonic spears, which led to misunderstandings, but his Sacred Gear "Demon Spear Creation" could also grant special attributes, effects, and even concepts to the spears he created.
Therefore, Renya created a space-interference spear, breaking Zolgia's ability by destroying the very space in which he hid.
"Damn you! Filthy half-breed! Relying on that detestable power of the Gods!"
Enraged that he had been foiled by the Sacred Gear possessed by the half-breed, Zolgia charged in fury.
With momentum like a Shinden-ryu style, he swung his demonic sword downward.
"I'd prefer you say I've mastered it."
Renya replied coldly.
The next moment, the result was the complete opposite of before.
A sharp metallic clang and sparks scattered as the demonic sword was stopped by the demonic spear.
"Impossible!? You can block this!?"
Zolgia was stunned.
Not only had his sword been blocked, but what shocked him even more was that the aura of his demonic sword was visibly diminishing.
Of course, separate from the space-interference spear, this was also the effect of Renya's newly created spear.
The new spear's ability was to absorb the magical aura of whatever it touched, strengthening itself.
What was astonishing was the speed of Renya's spear switching and the power of its attraction. Zolgia's demonic sword now had a thinner aura than before its enhancement, reduced to the level of an ordinary mass-produced demonic sword.
As Renya swept his spear with a sharp exhale, Zolgia's demonic sword was sliced in half from the middle.
"D-damn you! Brat!"
Zolgia hurled the remains of his sword to create distance, then threw fire and lightning magical attacks.
But as Renya spun his spear, the remnants of the demonic sword were shattered, and the fire and lightning, being magical energy, became sustenance for the spear.
Just as an excessive act of drinking water can become unsettling to witness, the sight chilled Zolgia to the bone.
"Damn you, why did that detestable God of the Bible leave behind such a…"
"I'll take that heart."
Mid-curse, Renya's sharp gaze pierced Zolgia, and he closed the distance in an instant.
Zolgia, a veteran of many battles, tried to evade, but…
[Gae Bolg - The Spear of Mortal Piercing]
This was an anti-personnel technique devised by Renya's master, Cú Chulainn, adapted by Kurosaki Renya himself.
Originally, this technique uses the curse of causality reversal inherent in the spear to first create the result of "the spear piercing the heart," and then the cause of "throwing the spear."
In other words, it was an attack against fate itself—not "it hit because he threw it," but "he threw it because it would hit."
Renya had reproduced this with magic, and by making the spear he held a pseudo-Gae Bolg, he achieved a similar effect.
"Guh... ah...!"
Renya's demonic spear had pierced Zolgia's chest, even though he should have moved to evade.
His heart was demolished, the spear's tip protruding from his back.
"Y-you bastard...! D-do you understand what will happen if you kill me...!"
Blood flowed from his eyes and mouth. Gripping the shaft of the demonic spear, Zolgia directed a look of bitter hatred and spoke with venom, but Renya showed no sign of faltering as he released a curse-like spell.
Yes, Renya's Gae Bolg had just begun its true work…
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