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High School DxD: Return of the Crimson Dragon Emperor

Chapter 155 - 151: The Lion’s Roar, The Red Dragon’s Will! · Oct 23, 2026

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Chapter List (557)

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151 Chapter 151: Chapte 147: Fierce Battle! Queen Showdown! 2026-10-23
152 Chapter 152 - 148: Desperate Charge!! 2026-10-23
153 Chapter 153 - 149: I’ll Answer with Full Force!! 2026-10-23
154 Chapter 154 - 150: Full Power vs. Full Power 2026-10-23
155 Chapter 155 - 151: The Lion’s Roar, The Red Dragon’s Will! 2026-10-23
156 Chapter 156 - 152: Game Over! School Festival Fun! 2026-10-23
157 Chapter 157: Side Story: Freedom, Ignis-san!! 2026-10-23
158 Chapter 158 - 153: A Lively Morning! 2026-10-23
159 Chapter 159 - 154: I’ll Take the Promotion Recommendation!! 2026-10-23
160 Chapter 160 - 155: I’ll Take All the Support I Can Get! 2026-10-23
161 Chapter 161 - 156: The Kitten’s Anomaly 2026-10-23
162 Chapter 162 - 157: A Meeting with Infinity 2026-10-23
163 Chapter 163 - 158: Sisterly Heart 2026-10-23
164 Chapter 164 - 159: Exam Day! To the Testing Center! 2026-10-23
165 Chapter 165 - 160: Aiming for High-Class Devil! 2026-10-23
166 Chapter 166 - 161: The Hero Faction Returns 2026-10-23
167 Chapter 167 - 162: The One Cursed by God 2026-10-23
168 Chapter 168 - 163: The Hero Faction’s Scheme 2026-10-23
169 Chapter 169 - 164: Sister’s Feelings, Dragon’s Smirk 2026-10-23
170 Chapter 170 - 165: Escape Plan Begins! 2026-10-23
171 Chapter 171 - 166: Fierce Battle with the Reapers! 2026-10-23
172 Chapter 172 - 167: The Red Dragon Emperor and the Dragon God 2026-10-23
173 Chapter 173 - 168: Heroes of Remedial Lessons 2026-10-23
174 Chapter 174 - 169: The Rising Young Generation 2026-10-23
175 Chapter 175 - 170: The Blood of the Demon King 2026-10-23
176 Chapter 176 - 171: The Twin Sovereign Knight King 2026-10-23
177 Chapter 177 - 172: Checkmate and Warning 2026-10-23
178 Chapter 178 - 173: I’m Wide Awake! 2026-10-23
179 Chapter 179 - 174: Battle for the Capital 2026-10-23
180 Chapter 180 - 175: Lion King and Knight King 2026-10-23
181 Chapter 181 - 176: Awakening of Darkness 2026-10-23
182 Chapter 182 - 176: Awakening of Darkness 2026-10-23
183 Chapter 183 - 177: Crimson Light 2026-10-23
184 Chapter 184 - 177: Crimson Light 2026-10-23
185 Chapter 185 - 178: Silver Juggernaut Dragon 2026-10-23
186 Chapter 186 - 178: Silver Juggernaut Dragon 2026-10-23
187 Chapter 187 - 179: Hero vs. Hero 2026-10-23
188 Chapter 188 - 180: What is a Hero 2026-10-23
189 Chapter 189 - 181: Promotion Results! And… 2026-10-23
190 Chapter 190 - 182: Crisis of the Red Dragon Emperor’s Retinue!? 2026-10-23
191 Chapter 191 - 183: Millicas’s Field Trip, Part 1 2026-10-23
192 Chapter 192 - 184: Millicas’s Field Trip, Part 2 2026-10-23
193 Chapter 193 - 185: Millicas’s Field Trip, Part 3 2026-10-23
194 Chapter 194 - 186: A Visitor from the Morning! - Part 1 2026-10-23
195 Chapter 195 - 187: Contract Season Begins! - Part 2 2026-10-23
196 Chapter 196 - 188: The Closer You Fight, the Closer You Are - Part 3 2026-10-23
197 Chapter 197 - 189: A Vampire’s Visit! - Part 4 2026-10-23
198 Chapter 198 - 190: Ominous Stirrings - Part 5 2026-10-23
199 Chapter 199 - 191: Entrusted with House-Sitting! 2026-10-23
200 Chapter 200 - 192: Beast Ears Are Pure Bliss! 2026-10-23

Chapter 155: Chapter 151: The Lion’s Roar, The Red Dragon’s Will!

Red and golden auras lit the field.

Sairaorg and I stepped forward, his lion armor radiating power.

”That’s near the ultimate form for direct fighters—armored power incarnate, perfect for offense and defense,” Ddraig explained.

Makes sense. For brawlers like us, armor balances attack and defense.

Sairaorg closed in. ”Here I come!”

His golden-aura punch flew. CLANG! I caught it, but it cracked my gauntlet. His unshackled strength was insane, but this armored fist was next-level.

I swung back. BAM! He blocked with his left hand.

”That’s the Red Dragon Emperor’s armored strike?!” he taunted.

”You cracked my armor! You’re unreal for our generation!” I shot back.

Grinning, we locked hands, pushing. BOOM! Red and golden auras erupted, cratering the ground.

”Sairaorg in lion armor! Issei as Oppai Dragon! A power clash!” the announcer shouted.

Red Dragon, not Oppai Dragon! Make it cooler!

Accel Booster! BBBBBBBBBBBBoost! I unleashed aura from my boosters, pushing Sairaorg.

”Guh... RAAA!” He pushed back, muscles bulging.

What power! The Lion’s Longinus armor!

Our clashing auras shook the field. ”RAAAA!” we roared, a blinding flash exploding, shattering the landscape.

”HAAA!” ”RAAA!” Close-range brawling erupted.

We charged, trading blows, pouring everything into this clash of kindred spirits.

My kick cracked his helm. His punch shattered my chest armor. ”Not many can break my armor,” I said.

”Born without magic, I only had my body to hone. Same as you, right?” Sairaorg replied.

”But I had masters. You forged yourself alone. You called it uncool, but your path inspires hope!” I said.

Devils born without magic, scorned as lesser—Sairaorg’s a beacon for them.

He laughed. ”You make me proud! But no mercy, Issei!”

”None needed! For my comrades, Rias, and my supporters, I’ll win, even if it crushes your dream!” BBBBBBBBBBBoost! I channeled boosted power into my fist, smashing his stomach.

CRASH! His armor broke, my fist digging into flesh. He spat blood.

”Sairaorg-sama!” Regulus cried.

”Even with Regulus, I’m outmatched?! No! I’m not done!” Sairaorg’s eyes burned fiercer.

What spirit! He charged, punching. CRASH! My gauntlet shattered, pain searing my arm. His power had spiked!

”The Longinus responds to his will, boosting output,” Ddraig said.

He’s still growing, mid-fight!

My left arm numb, I repaired my gauntlet, charging into the Zone—colorless vision. I parried his punch, grabbed his arm, and threw him skyward.

BBBBBBBBBBBoost! Red light gathered in my fist. ”Agni!” The beam engulfed him, blasting a crater.

”Sairaorg down! Issei’s hit lands!” the announcer roared.

In Tenbu form, that Agni should’ve ended it.

But— ”Stand, Sairaorg!” a woman’s voice rang out.

Misra, Sairaorg’s mother, stood, supported by a butler. Awake from her coma! Ignis’s light healed her!

”It purged what plagued her mind,” Ignis said.

”Stand, Sairaorg! You can still fight, still clench your fist!” Misra’s voice was stern, motherly.

Sairaorg’s fingers twitched. Despite her frailty, Misra shouted, ”Overcome any obstacle! You’ve always risen! Fulfill your dream—a world where any child’s power earns their place, free from sorrow!”

Sairaorg stood, eyes blazing. Misra smiled. ”Go, my proud son.”

ROAR! A golden aura surged, unlike anything before, swallowing mine.

His Longinus answered his will—pure resolve.

My heart trembled. He could still fight, still grip his fist.

”I won’t lose! I have a dream to fulfill!” Sairaorg charged, punching.

”I won’t either!” Our fists smashed each other’s faces, his power immense despite his state.

His movements slowed from damage. I dodged his next punch—but BOOM! It hit, shattering my helm, shaking my brain.

I’d dodged! Yet his fist landed, faster—like he’d entered the Zone!

”In this clutch, he reached the Zone!” Ddraig said.

Like me against Sirius, driven by unyielding will.

”Haha!” I laughed despite the pain. ”You’re still fighting! Then I’ll go all out!”

Back in the Zone, we traded blows, no dodging, just pummeling. Armor broke, flesh tore—we pressed forward.

His punch pierced my stomach. ”Guh!” Blood spilled, organs damaged, bones broken.

But— ”Go, Oppai Dragon!” Kids cheered. Miu, Alice, Irina, Reyna, and Rias called my name.

”For their faith—” I roared, ”I won’t lose!” My fist smashed Sairaorg’s face, staggering him.

He didn’t fall. ”I won’t... until I beat you!”

His armor was just the lion’s chest; mine, only the gauntlet.

THROB! Pain hit. His accumulated damage was massive.

Still, I raised my trembling fist.

”Enough, Red Dragon Emperor,” Regulus said, tears streaming from the lion’s chest.

”Sairaorg?” I looked—he was unconscious, fist raised, eyes burning with will.

”He lost consciousness earlier... but fought on, joyful, relishing this dream-driven battle,” Regulus said.

Fighting on will alone... incredible!

”You were amazing...” I hugged him.

”Sairaorg Bael surrenders. Rias Gremory’s team wins!” the announcer declared.

The crowd erupted. The battle for the strongest young devil ended with Gremory’s victory.

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