The tension inside Arcanmere had changed.
Not loudly.
Quietly.
But everyone could feel it.
Dracorus students were still irritated about the lost house points. Conversations in the corridors were sharper now. Students whispered about rule breakers and punishment. Even the professors had begun watching the halls more carefully.
For Daniel, the atmosphere felt worse than usual.
Because something else had changed too.
The castle itself felt… restless.
He noticed it while walking down the eastern corridor with Tom that afternoon.
The torches flickered unevenly as they passed.
Not like normal wind.
More like the flames were reacting to something moving through the corridor.
Tom noticed it too.
“Okay,” he muttered, glancing at the wall torch. “That’s the third one.”
Daniel frowned. “Third what?”
Tom pulled his small notebook from his pocket.
“Environmental reactions.”
Daniel sighed.
“You’re still writing those down?”
Tom shrugged.
“Someone has to.”
He flipped through the pages.
“Stairs shifting. Lantern flicker. Reflection delay.” He looked up. “All near you.”
Daniel didn’t answer.
Because Tom wasn’t wrong.
The Corridor
They reached the end of the eastern wing where the corridor split in two directions.
Most students rarely came here.
It was old.
Quiet.
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And slightly colder than the rest of the castle.
Daniel slowed down.
He recognized the hallway instantly.
The same corridor he had seen in his dream weeks ago.
The same one where the mysterious sealed door had appeared.
Tom noticed him stopping.
“What?”
Daniel stared down the corridor.
“Nothing.”
But it wasn’t nothing.
The air felt different here.
Heavy.
Like the castle was holding its breath.
Daniel stepped forward.
Tom followed reluctantly.
“You know we’re not supposed to wander random wings right now, right?”
Daniel didn’t respond.
At the very end of the corridor stood the door.
Tall.
Ancient.
Its surface was made from dark stone instead of wood. Strange symbols were carved across it in patterns that looked older than the castle itself.
Daniel had seen it before.
In dreams.
Up close, the carvings looked almost lunar in design.
Curved lines.
Half circles.
Broken crescents.
Tom frowned.
“That door definitely wasn’t in the normal maps.”
Daniel stepped closer.
The air around the door felt warmer.
The moment his hand moved toward it—
the torches along the corridor flickered violently.
Tom stepped back slightly.
“Okay that’s not normal.”
Daniel’s fingers touched the surface.
The door reacted instantly.
A deep vibration traveled through the stone walls.
Not loud.
But powerful.
The symbols on the door began glowing faintly.
Silver.
Daniel’s heart started beating faster.
Something about the light looked familiar.
Too familiar.
Then the words from the prophecy suddenly echoed in his mind.
“When the moon returns to its perfect circle,
the Marked One shall face the Lake of Death.”
Daniel had already gone to the lake.
But the next line now felt different.
“The shadow will chase,
the prisoner will rise…”
Tom suddenly grabbed Daniel’s shoulder.
“Daniel.”
“What?”
Tom pointed at the floor.
Daniel looked down.
Their shadows had shifted.
Not because of the torches.
Because Daniel’s shadow was moving.
On its own.
Slowly stretching toward the door.
Tom’s voice dropped.
“That is not normal.”
Daniel tried to pull his hand away.
The door didn’t let him.
The glow intensified.
The entire corridor began vibrating softly.
Then suddenly—
the door moved.
Not fully.
Just a few inches.
But the sound echoed through the entire hallway like ancient stone waking from sleep.
BOOM.
The vibration exploded through the castle walls.
Students in nearby corridors froze.
Books fell from shelves in the library.
Torches flared violently.
Even the Headmaster’s tower windows rattled.
Tom stumbled backward.
“What did you just do?!”
Daniel finally yanked his hand away.
The door stopped moving instantly.
The glowing symbols faded.
Silence returned to the corridor.
For several seconds neither of them spoke.
Then Tom slowly stepped toward the slightly opened gap.
Cold air drifted from inside.
Not normal air.
Something older.
Something deeper.
Daniel looked through the narrow opening.
At first he saw nothing.
Just darkness.
Then something inside the chamber shifted.
Not moving.
Listening.
Daniel felt a strange pressure in his chest.
Like the same vibration he had felt near the lake.
The prophecy continued in his mind.
“The prisoner will rise…”
Tom stepped back quickly.
“Nope. Absolutely not.”
Daniel looked at him.
Tom shook his head firmly.
“We are not opening mysterious glowing doors during exam week.”
Daniel almost laughed.
Almost.
But something inside the darkness suddenly made a faint sound.
Not a roar.
Not a whisper.
A breath.
Tom heard it too.
His notebook fell from his hand.
“Daniel…”
Daniel didn’t respond.
Because another line from the prophecy was repeating in his mind now.
The line they had ignored before.
“Only the trinity of loyal hearts may break the cycle.”
Three.
Daniel.
Tom.
Scarlett.
And suddenly Daniel understood something terrifying.
They weren’t supposed to open the door yet.
The Castle Reacts
Footsteps echoed somewhere down the corridor.
Teachers.
Daniel grabbed Tom’s arm.
“We need to leave.”
Tom didn’t argue.
They hurried away just as the vibration in the walls faded completely.
Behind them, the door slowly slid back into place.
Sealing itself.
As if it had never moved.
Elsewhere
In the highest tower of Arcanmere, Prince Lean stood near a window.
He had felt the vibration clearly.
His eyes narrowed slightly.
“So,” he murmured quietly.
“It has begun.”
Outside the Castle
Far beyond the walls of Arcanmere, deep within the forest near the Moonlit Lake, a lone figure stood watching the castle.
The same man Daniel had met at the lake.
His expression was calm.
But his eyes carried something darker.
He had felt the door open.
Even for a moment.
He sighed softly.
“You moved too early, Daniel.”
The wind moved across the lake.
Ripples spread across the water.
And somewhere beneath its surface—
something ancient stirred.