A Peacock Husband of Five Princesses by day, a Noble Assassin by Night-Chapter 34: The Secret Within

Seraphina shook her head. "I’ve read many historical records, but I’ve never come across any mention of this tower. If it truly exists, then it must be one of the best-kept secrets in history."

Kael continued reading the second part of the letter, under the Quest.

"In the Tower of Zurin, luck is more important than strength. Many have tried, and most have failed. But I believe you, Kael Moonstone, might just have a chance because you have luck.

Climb the tower and retrieve the legendary *Sword of Zurin*.

I will pay you ten million gold coins for it. And as a bonus… I will provide you with a clue to your sister’s whereabouts.

Meet me ten days from now, in the Forest of Eldreich’s Valley.

Kael’s breath hitched. And he mumbled. "Mia…"

His sister had gone for the past year, vanishing without a single trace. Even the best informants in the Information Guild couldn’t uncover anything about her. And yet, this stranger—whoever they were—claimed to have information on her whereabouts.

It was a tempting offer. Too tempting.

His grip on the parchment tightened.

Who is this person? How could they possibly know about Mia when even he, with all his resources, had come up empty?

Then his eyes fell on the last line of the letter.

"P.S: Burn this letter, and you will receive proof that my words are true."

Kael’s instincts screamed at him. This is a trap.

But… there was only one way to find out.

Without hesitation, he channeled his mana into his palm and engulfed the letter, turning it into ashes.

And then, suddenly—words appeared in the air.

They glowed with an eerie golden light, forming a message.

"I know the secret of your family. Mia is neither a human nor the daughter of your father. She is the offspring of your mother and an Archangel… born from infidelity."

Kael’s world stopped.

"What?" Seraphina gasped beside him. The manager took a step back, eyes wide with shock.

The room fell into suffocating silence as the words dispersed into nothingness.

Kael’s face darkened as he processed the words. His fists clenched, barely controlling the rage filling his body. A secret that had been buried for years… was now laid bare by an unknown stranger.

Slowly, he turned his gaze toward the manager. His voice was cold and sharp.

"Who is your client?"

Reiner swallowed hard. "I… I don’t know." He grew nervous by the sudden change in Kael.

Kael’s patience snapped.

In a blur, he moved forward and grabbed Reiner by the throat, lifting him off the ground with a single hand. The wooden desk trembled from the sheer force of Kael’s suppressed anger.

Seraphina’s eyes widened. "Kael, wait—!"

Reiner gasped for air, his legs kicking in panic. "I swear—I swear, I don’t know!"

Kael’s grip tightened. His normally calm expression was gone, replaced by something lethal. "I can tell when someone is hiding, guild manager. Now, the name." He growled.

Reiner’s face turned red. "The… client… is from the Twilight Order!" he choked out.

Kael’s fingers stilled.

He slowly lowered Reiner back to the ground. The manager collapsed, clutching his throat and wheezing.

Seraphina took a deep breath. "Twilight Order…?"

Reiner nodded weakly. "One of the most powerful underground organizations in the world. Their network spans across nations… No one knows their true leader, but they control information, trade, and assassination contracts on a global scale."

Kael narrowed his eyes. "And they’re the ones behind this?"

Reiner coughed. "That’s all I know. If they’re involved, this isn’t just a simple mission anymore."

Kael exhaled slowly, his mind racing. "The Twilight Order. Why would such a giant organization approach me for this quest? Do they know my secret identity? If they could uncover Mia’s secret, they might uncover mine too. But, even if that were the case, no one in the world has yet to find out that I broke through to the Supreme realm. And they have Supreme realm experts in theirs too."

It was clearing something about this was unsettling. However, he was also desperate to find his sister’s whereabouts. He had to confront the man behind the quest.

He glanced at Seraphina, who looked surprised, partly by the contents of the letter but mostly by her husband’s reaction. Is this the same person she knows? Or Perhaps she and her sisters don’t know much about their shared husband.

"I need to go," he said. "I have seven days to prepare."

Seraphina hesitated. "Kael… I think we should discuss this at home."

However, Kael’s gaze hardened and said. "I’m sorry but not even Her Majesty couldn’t find my sister. I would have to get to the bottom of this, no matter what it takes."

Kael exhaled, suppressing the fury burning in his chest. His mind was still reeling from the revelation. Mia… No, he wouldn’t jump to conclusions just yet. The words in the air had shaken him, but he needed to confirm things for himself.

He turned to Reiner, who was still rubbing his throat, eyes filled with lingering fear.

"Set up a meeting with your client. Right now."

Reiner flinched. "I… I can’t."

Kael’s expression darkened.

"I don’t have any means to contact them!" Reiner quickly clarified, voice trembling. "They don’t communicate directly. Everything is done through encoded letters and dead drops. Even if I wanted to, I have no way to reach them until they decide to reach out again."

Kael studied him for a long moment, his piercing gaze searching for any sign of deceit. But Reiner seemed genuinely terrified.

Finally, Kael let out a slow breath. "Fine."

Reiner visibly relaxed, but it was short-lived.

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Kael leaned in close, his voice dropping to a lethal whisper.

"If a single word of what happened here gets out… if even one person outside of this room hears of it…" He let the threat hang in the air. His next words were slow and deliberate. "You, your family, and your closest friends will die… without even knowing how. Don’t underestimate me just because I look weak. My family has enough connections to make this threat very real."

Reiner paled. His lips parted, but no words came out. He simply nodded, his entire body shaking.

Kael straightened. Without another word, he turned on his heel and left the guild.

Seraphina followed silently.

As their figures disappeared from his sight, the manager mumbled. "This noble is different from what I thought. I can see it in his eyes. He had blood on his hands just like every other noblewoman out there, although I didn’t understand how a mere Tier-1 intimidated a Tier-5 like me this much. For that moment I was going to die." Reiner touched his throat, his voice still quivering.