Can house-elves Disapparate in Hogwarts?

House-elves could also Apparate, but without some of the restrictions that wizards had, due to their unique type of magic. For example, they could Apparate inside Hogwarts and even the Crystal Cave, where powerful enchantments prevented witches and wizards from doing so.

What’s the difference between Apparate and Disapparate?

“Arriving” and “apparating” are when you show up at a location where you previously were not. “Departing” and “disapparating” are when you leave a location where you previously were.

Did the Malfoys have other house elves?

Dobby was a house-elf who served the Malfoy family. During Harry Potter’s second year at Hogwarts, he tried to warn the boy of the plot to have the Chamber of Secrets reopened. The same year, Harry freed Dobby from the Malfoys, by giving him one of his socks. Dobby then went on to work in the Hogwarts kitchens.

Could Voldemort have killed Harry Potter without the Elder Wand?

Sure, Voldemort did use the Cruciatus Curse on Harry — the Elder Wand protected him then — but if Voldemort had simply checked up on Harry’s condition personally, he could have easily had someone else kill him. All it would’ve taken were a simple few steps to Harry’s body and Voldemort would have won.

Why did Voldemort take Kreacher with him to the cave?

In order to test out the substance he’d left in the bowl containing the Horcrux, Voldemort took Kreacher with him to the cave. In true Dark Lord fashion, Voldemort had no problem if Kreacher was killed by the Inferi. However, Kreacher was able to Apparate due to house-elves magic being different compared to wizards.

What would have happened if Harry had fought Voldemort?

All it would’ve taken were a simple few steps to Harry’s body and Voldemort would have won. It was through Snape’s memories that Harry found out he was supposed to offer himself up to be killed by Voldemort. And accessing his memories was only possible because Voldemort had left Snape to die slowly.

What if Voldemort had just used the horcrux on Snape?

If Voldemort had simply used it then Harry would never have gained Snape’s memories and known what he had to do to win. In order to test out the substance he’d left in the bowl containing the Horcrux, Voldemort took Kreacher with him to the cave.