Required (слэш)

“Back the fuck off, Riddle.”
Tom’s heart stops abruptly in mid-beat. Did the new kid just— He opens his mouth, but slams it shut quickly. No. He has to say something non-generic. He settles for, “It is common courtesy to speak your first words to strangers with a certain level of politeness, Harry.”
The boy doesn’t so much as blink, and Tom is hit with the soul-crushing realisation that maybe, probably, his soulbond isn’t reciprocated.
There’s a chamber in the Department of Mysteries that’s [quote] Sorta like the Room of Requirement in Hogwarts except— [endquote] it doesn’t operate on your requirements, but rather your soulmate’s. Harry and Hermione rush into it in hopes of finding a medical kit (anything to help their injured friends, really) and end up somewhen else.