Doesn't quite understand the questions, but i think you mean Voldemort in the movie number 2 or 3, but that is not horn and tail, that is blood.
In "Harry Potter and the Half-Blood Prince" video game, you need to ask Professor Snape for the ground unicorn horn. He will instruct you to collect it as part of your potion-making tasks. Make sure to complete the required quest to obtain it.
Harry potter in a flashforward scene.
There are many Harry Potter RPGS (virtual games) out there. All you need to do is preform a search.
Extras.
um because its a story like Harry Potter, don't need proof that Harry Potter ain't real
Well, the Harry Potter films are finished now, so you'll need a time machine first of all.
Yes. You need a british passport to audition
yes
You have to be a fictional character in Harry Potter's world.
no
Harry Potter and the Sorcerer's Stone, Thunderpants, Harry Potter and the Chamber of Secrets, Harry Potter and the Prisoner of Azkaban, Harry Potter and the Goblet of Fire, Driving Lessons, Harry Potter and the Order of the Phoenix, Cherrybomb, Harry Potter and the Half-Blood Prince, Wild Target, Harry Potter and the Deathly Hallows: Part 1, Harry Potter and the Deathly Hallows: Part 2, Into the White, Cross Country, Eddie the Eagle, The Drummer, Enemy of Man, CBGB, The Necessary, and Death of Charlie Countryman.In that order.Go onto IMDb.com and you will find everything you need to know about Rupert.
In the Harry Potter world, wizards are of age at the age of 17. Before that, there are restrictions on their use of magic.