Fiendfyre

For someone who did five years at Hogwarts of Witchcraft and Wizardry, you should know about phoenix tears by now.

But also, why don't they use phoenix tears more often if it really is, like, that amazing it can, it can heal basilisk venom? Like, you know, not many things can kill a Horcrux, right? It's, like, Fiendfyre, basilisk venom, or something imbued with basilisk venom, and that's about it.

So basilisk venom's a pretty big fucking deal, right? Uh, but, but, but Fawkes can just heal that immediately with its tears, so that, that leads me to believe that pho- phoenix tears are crazy powerful, crazy powerful, and all this time Dumbledore's got a phoenix up in his, up in his office, and I feel like he never uses it.

You know when Dumbledore gets, like, his little sore hand from when he tries to...

One of them is apparently Crabbe destroys one of the Horcruxes in Part 2 in the book.

Yeah, so, uh, you know when they were in the Room of Requirement with the Fiendfyre? Um-

Yes

...

Um, so I, I really appreciated that.

Um, and then he was able to, uh, dodge all the Fiendfyre, save Draco, uh, get the tiara even though he actually didn't really have to.

Uh, and then, uh, yeah, and then he's on to the next thing.

So-

...

in the room, y- like, leave her in the room afterwards, right?

Well, surely not with the Fiendfyre, but-

N- well, but they didn't know-