Erumpent

He launched himself sideways, shoving Ron and Hermione out of harm's way as Xenophilius's Stunning Spell soared across the room and hit the Erumpent horn.

Harry Potter And The Deathly Hallows Rowling, J. K. 2007

I recognize the grooved markings around the base, that's an Erumpent horn and it's incredibly dangerous " I don't know where you got it " -

Harry Potter And The Deathly Hallows Rowling, J. K. 2007

“How’d you know it’s an Erumpent horn?” asked Ron, edging away from the horn as fast as he could, given the extreme clutter of the room.

Harry Potter and the Deathly Hallows Rowling, J. K. 2007

It came from an Erumpent, not a Crumple-Horned Snorkack —”

Harry Potter and the Deathly Hallows Rowling, J. K. 2007

I recognize the grooved markings around the base, that’s an Erumpent horn and it’s incredibly dangerous — I don’t know where you got it —”

Harry Potter and the Deathly Hallows Rowling, J. K. 2007

He launched himself sideways, shoving Ron and Hermione out of harm’s way as Xenophilius’s Stunning Spell soared across the room and hit the Erumpent horn.

Harry Potter and the Deathly Hallows Rowling, J. K. 2007

It came from an Erumpent, not a Crumple-Horned Snorkack " -

Harry Potter And The Deathly Hallows Rowling, J. K. 2007