Why did the fire destroy the diadem?

The actual fire is nearly uncontrollable and burns at a much higher temperature than normal which could be the reason that it is able to destroy horcruxes.

Why can only a Basilisk fang destroy Horcruxes?

After being healed, Harry took the fang and stabbed Riddle’s diary, destroying that Horcrux beyond magical repair. Because Harry had stabbed the Basilisk with the sword, it was imbued with Basilisk venom and was therefore able to destroy Horcruxes and poison opponents that it cut through as well.

How did Goyle destroy the diadem?

Whereas the Diadem was destroyed in the Deathly Hallows. Because in the books the Fiendfyre was created by Grabbe instead of Goyle and the Diadem was destroyed by said Fiendfyre. In the movies, Goyle creates the Fiendfyre but Harry stabs the diadem with the fang and Ron kicks it into the flames.

How did Crabbe destroy the diadem?

Bizarrely, the diadem was accidentally destroyed by the son of a Death Eater. Vincent Crabbe unleashed the powerful Fiendfyre Curse, which quickly blazed out of control – destroying both the diadem and Crabbe himself. Gregory Goyle and Draco escaped thanks to Harry, Ron and Hermione.

What happened to Crabbe and Goyle in the books?

Goyle dies in Crabbe’s place; when Goyle (mirroring Crabbe in the book) tries to kill Hermione with the Killing Curse, Ron chases after him, and Goyle casts Fiendfyre in an attempt to kill him, after which (Goyle) attempts to climb to safety with Malfoy and Blaise Zabini (who plays roughly the same role as Goyle does …

Who killed Helena Ravenclaw?

the Bloody Baron
Her mother became fatally ill and hoping to see her daughter one last time, sent the Bloody Baron, a man who harboured an unrequited love for Helena, to find her. In a fit of rage, the Baron murdered her when she refused to return with him, before he committed suicide out of regret for what he had done.