Third Person POV:

The next morning, Percy gathered the other demigods to talk. "Horcruxes, as you know, are powerful objects of magic. You put your soul in something to make a Horcrux, and essentially, if your Horcrux is still intact, then you are technically invincible. Also, remember that they are extremely powerful magical objects, and so will not be easily destroyed. It also has the means of possessing someone who tries to destroy it. They are normally hidden very well and so will be hard to find them. " Percy said.

"I have found out that Voldemort created a Horcrux, if not Horcruxes. We must leave Hogwarts temporarily and notify Dumbledore about this. We must set out to destroy all of the Horcruxes before the battle starts, or we will not even have a chance to defeat him."

(NOTE: Since all of them are blessed by Hecate, they know everything about the wizarding world. Including Horcruxes.)

A few minutes after, Percy teleported to Dumbledore's office.

"Dumbledore. There is something urgent that we must discuss." Percy pulled out the safe. "I have found this interesting... Book."

He held up the book Secrets of the Darkest Art. "And... it contains information about Horcruxes. Which, I believe, is vital to us winning this war. I believe we must destroy the Horcrux or Horcruxes he has made. I believe, even though it could be incorrect, that Voldemort has purposely split his soul into seven pieces, which, he believes, is the most powerful magic number. That means that there are 6 Horcruxes."

"Yes, Percy. I know about the Horcruxes. I have been trying to find them for a while. But Percy, there are only five Horcruxes to destroy. Harry has destroyed a Horcrux, though not knowing what it really was, in his second year. I think I know what the five Horcruxes are. And once you find them, all you need to do is to use Fiendfyre to destroy them. Here are my theories: Voldemort must have made things very precious to him as Horcruxes, which contain his own soul. He probably has made something from each of the Houses as Horcruxes. But not the Sword of Gryffindor though. I believe that the locket of Slytherin, the diadem of Ravenclaw, the cup of Hufflepuff are three of the five Horcruxes. As for the others, I had been finding information about the origin of Tom Riddle, and I believe that the ring of Marvolo Gaunt is also a Horcruxes. Assuming that, there is still one Horcrux. That, I believe, is Nagini. He has been careful of the serpent very recently. Even though it is unwise to make an animal a Horcrux."

"So all we need to do is to find the Horcruxes now."

"Yes, and about that, I have more information. You know Grimmauld Place?"

"Yeah."

"The locket is hidden there if it hasn't been moved. In Sirius Black's brother's room, who is dead already and stole the original Horcrux from the Crystal Cave. The diadem of Ravenclaw is in the Room of Requirement, where you have been practicing DADA. The cup of Hufflepuff is in Bellatrix's vault in Gringotts. The ring of Marvolo Gaunt is in the Gaunt Shack. And as for Nagini, Voldemort's obviously going to keep him beside him. I have been traveling everywhere the recent months and have heard from people connected to Tom Riddle about this."

"That will be very useful. When should we go?"

"Tomorrow morning."

"Okay. I will notify the other demigods immediately."

Percy bolted back to the Gryffindor Common Room, finding the other eight waiting for him there.

"Okay," He said. "We must leave tomorrow to do destroy them. Dumbledore has told me lots of helpful information about them."

Then he described what Dumbledore said to him quickly. "Fortunately, one is hidden in the Room of Requirement, remember? So we can destroy it now without leaving the school." He added after. "It is still very possible that we are able to destroy all of the Horcruxes before the real war starts." He assured them.

A nervous look was exchanged between all of them. They knew that they had to destroy the Horcruxes to give the wizards even a slim chance to defeat Voldemort. They had to. There was no other choice.