He walks towards a cabinet and Y/N watches as he smoothly opens it revealing a stone basin filled with liquid. Dumbledore smiles as he holds the basin out to Y/N. "take a look inside"
Y/N eyes the headmaster curiously but relents and leans in closer to the basin. The ripples on the water go still and far beyond the surface, an enormous chamber comes into focus, where benches rise in steep tiers and dozens of witches and wizards sit facing a single empty chair.
Y/N leans closer then suddenly, the walls of Dumbledore's office dissolve like smoke and the Ravenclaw girl pitches forward into the churning whirlpool. She lands heavily onto one of the tiered benches and looks around. Above her is no ceiling only a trembling membrane of light. Y/N turns to the wizard next to her, Dumbledore
"Professor" she calls but Dumbledore doesn't respond
Suddenly, a loud clanging fills the chamber and an iron cage rises through the floor. A man stands blinking from within, thin and feral. It's Karkaroff, all his vanity gone. Barty Crouch rises but this Crouch radiates power. Quill in hand he steps to the podium, making notations on a piece of parchment.
"Igor Karkaroff, you have been brought from Azkaban at your own request to present evidence to this council," Crouch says "Should your testimony prove consequential, the council may move to reduce your sentence or commute it entirely. Until such time, you remain in the eyes of the Ministry a convicted death eater. Do you accept the terms"
"I do sir" Karkaroff says 
"What do you wish to present," Crouch says
"I have names sir," Karkaroff says his eyes twitching as he looks at the other wizards. Suddenly hesitant, Crouch continues to scribble. "Antonin Dolohov"
"We have apprehended Dolohov" Crouch replies
"Rosier. Evan Rosier"
"Rosier died two weeks ago" 
"S-Severus Snape" Karkaroff calls
Instantly Dumbledore stands "As the council is fully aware, I have given evidence on this matter. Severus Snape was indeed a Death Eater but prior to lord Voldermort's downfall turned spy for us at great personal risk. Today he is no more Death Eater than I am"
"It's a lie!" Karkaroff cries "Severus Snape remains faithful to the dark lord"
"Silence!" Crouch commands "Has the witness any other names"
"Just one" Karkaroff says 
"I hope it's not a name not already familiar with," Crouch says 
"Oh but it is. I'm afraid its a name the council is intimately familiar with" Karkaroff says "I know for a fact that this person took part in the capture and- by means of the Cruciatus Curse, torture of the auror Frank Longbottom and his wife-"
"His name Mr Karkaroff," Crouch says 
"Barty Crouch. Junior" Karkaroff yells 
A storm of outrage consumes the chamber. Crouch's quill stutters to a halt and bleeds into the parchment. Y/N notices a man get tackled to the ground and brought up to the podium. He is a skinny, straw-haired young man. The Ravenclaw girl studies him closer as he looks oddly familiar.
"Hello Father" Barty spits
"You are no son of mine," Crouch says and Barty Jr looks angrily at his father. 
Suddenly Y/N is transported back into Dumbledore's office. She stands a little disoriented, "What was that"
"That was a pensieve" Dumbledore replies "A useful thing to have if like me, you find your mind a wee bit cluttered"
"You mean that's your thoughts," Y/N says surprised and Dumbledore nods "Sir Mr Couch's son-"
"Had a talent for tragedy, much like his father." Dumbledore answers "you see, both felt fundamentally that they possessed the answers for the ills of the world. So they stopped asking questions, that is I believe a mistake we would all do well to avoid"
"Why do you want to cancel the Tournament, sir" Y/N asks 
"You're in danger Y/N and I can't figure out why. Initially I let things play out but after Mr Crouch's death-"
"I understand," Y/N says "It's been a weird year"
Dumbledore nods "I'm aware that Harry's dreams have returned. You're not the only one that corresponds with Sirius"
Y/N nods "Yes they have returned, but I think you should talk with Harry about that Headmaster"
Dumbledore nods "very well, you may go now. Maybe meet Miss Granger for a late-night study session in the library"
Y/N studies the man "I- well sir-"
"Go along Y/N you don't want to keep a girl like Miss Granger waiting" Dumbledore smiles and Y/N just nods and exits the office.