The Room of Requirement's True Marvel

"You mean Godric Gryffindor, Helga Hufflepuff, and Rowena Ravenclaw might all still be living inside the Room of Requirement?" Hermione practically screamed.

"You mean Godric Gryffindor, Helga Hufflepuff, and Rowena Ravenclaw might all still be living inside the Room of Requirement?" Hermione shouted again.

"I heard you the first time you shouted it." Tierra rubbed his ears helplessly.

Even someone as clever as Hermione found it difficult to remain calm upon receiving such shocking news, and she cried out in alarm.

"I only said it was possible." Tierra spoke calmly. "Even Slytherin himself wasn't certain. He only said that he could still sense familiar auras lingering within this castle."

"Then why doesn't he go find them?" Hermione asked. "I mean, if they really are inside the Room of Requirement, couldn't Slytherin just go in and look for them?"

"What do you think?" Tierra countered.

By then, they were already standing opposite the enormous "Troll Bashing Barnabas" tapestry.

"I need a room that meets my requirements for refining the Philosopher's Stone."

"I need a room that meets my requirements for refining the Philosopher's Stone."

"I need a room that meets my requirements for refining the Philosopher's Stone."

Tierra recited it loudly three times, concentrating his thoughts and radiating them outward.

Very soon, the wall directly opposite Tierra and Hermione began to change.

Magical lines and patterns gradually appeared, joining together to outline an enormous bronze door.

Tierra placed his hand on the bronze door's handle and pushed.

Creeeak—

The bronze door slowly opened, revealing a spacious, brand-new laboratory within.

Sets upon sets of clean, orderly glassware were arranged in a predetermined sequence across one experimental bench after another.

On the floor at the very center of the room were inscribed all sorts of twisted, brilliant lines, patterns, and grooves.

"Should we