How did Dumbledore know Voldemort will return?

If Dumbledore thought that Voldemort had Horcruxes (or some other means of immortality), he would certainly have expected him to return.

Why did Dumbledore not do anything about the Horcruxes during Voldemort’s 14 years of absence?

Because he had no idea that Voldemort had actually created horcruxes. The first ever clue that Dumbledore got of the horcruxes was the Diary in 1992. Till then, he had no inkling that Voldemort had gone that far on the path to immortality.

Why did Dumbledore need Slughorn’s memory if he knew about Horcruxes?

He knew that if Voldemort had made them he would focus on the founder’s items. The memory was important for Dumbledore I think for two reasons 1) to make sure he was right and 2) so that Harry could fully understand what exactly Horcruxes were. Dumbledore was a teacher before anything else.

How did Dumbledore know Voldemort had Horcruxes?

We know that Dumbledore knew about Horcruxes at least as early as Harry’s parents’ deaths (he stated to Snape that Voldemort would be back). And in Harry’s 6th year, he knew that there were 7 for sure, from real Slughorn memory.

How did Malfoy know where Dumbledore was?

Originally Answered: How did Draco know that Dumbledore will arrive at the astronomy Tower? Draco knew that Dumbledore had left the school, from Madam Rosemarta who was under imperius curse. He cast the dark mark over the tower which death eaters usually cast over the place they have killed someone.

Why was Slughorns memory so important?

The ‘sluggish’ memory is Slughorn’s memory of what he said to the young Tom Riddle, which he himself tried to blot out. The memory allowed for Dumbledore to confirm his suspicions that Voldemort had been planning to create seven Horcruxes, and for Harry to continue Dumbledore’s mission of destroying them.

Why did Dumbledore not know about Horcruxes?

When they do, Dumbledore seems shocked to learn Voldemort made horcruxes. But in ‘Deathly Hallows’ we see in Snapes memory that Dumbledore knew all along that Harry was a horcrux. Now it’s possible that he thought that it was basically an accident and Voldemort didn’t even know about horcruxes.

How did Malfoy get the necklace Katie Bell?

In 1996, four years later, the necklace was purchased at Borgin and Burkes by Draco Malfoy, under the orders of Lord Voldemort. During the course of the argument, the package ripped, and the necklace touched Katie’s skin through a minuscule hole in her glove.

How/when did Dumbledore know about the 7 Horcruxes?

At which point did Dumbledore know/guess about the 7 Horcruxes? We know that Dumbledore knew about Horcruxes at least as early as Harry’s parents’ deaths (he stated to Snape that Voldemort would be back). And in Harry’s 6th year, he knew that there were 7 for sure, from real Slughorn memory.

How did Dumbledore know Voldemort had powers he will never have?

Dumbledore knew that Voldemort had delved into the Dark Arts deeper than anyone else in history and hence “had powers he will never have”.

Did Dumbledore lie to himself about Riddle?

But he didn’t lie to himself either about the sort of choices Riddle was making and the way he was entrenching himself as evil personified. In the end, Voldemort was irredeemable. Voldemort as a child: Dumbledore decided to keep an eye out.

What happened to the smoke serpents that Dumbledore had picked up?

With a look of grim satisfaction ¹, Dumbledore gave the instrument another gentle tap with his wand: the clinking noise slowed and died and the smoke serpents grew faint, became a formless haze and vanished.