Then it had to be Slytherin himself who had consciously severed the connection between the Room of Requirement and the Chamber of Secrets before leaving Hogwarts.
Or, even more absurdly, if this room had been created by Slytherin himself—though that still didn't explain why he always chose such ugly tapestries.
He could simply make the Room of Requirement refuse any request to go to the Chamber of Secrets.
But not being able to go directly to the Chamber of Secrets didn't mean there were no other ways.
The Room of Requirement was only somewhat intelligent at best. At most, it was Legilimency combined with Transfiguration. The real magic came from Hogwarts itself.
Seen that way, the Room of Requirement was merely a manifestation of Hogwarts's magic.
Hogwarts surely understood itself completely. If Hogwarts were treated as a massive database, then the Room of Requirement could be considered a search engine with basic intelligence.
In that case, perhaps he could use wordplay to bypass the search engine's restrictions and directly retrieve information from the database.
Hmm...
The theory was viable. Time to put it into practice.
Kayson waited for the Room of Requirement to close again, then walked around in front of one of the tapestries three times.
"I need a room containing a map of Slytherin's Chamber of Secrets."
"I need a room containing a map of Slytherin's Chamber of Secrets."
"I need a room containing a map of Slytherin's Chamber of Secrets."
A door appeared.
"What kind of room did you wish for this time?" Dumbledore asked curiously.
"You'll know once we go inside." Kayson entered first, and Dumbledore followed.
The room was spacious and empty. Aside from a stone platform in the center, there was nothing there. On top of the platform floated a geometric pattern made from