This is just a short, weird Star Wars/Harry Potter crossover a friend and I made up.
Disclaimer: I own nothing
Harry stared blankly around the grounds of Hogworts behind Voldemort. There was a swirling black vortex from which a black cloaked figure stepped out.
He also wore a black helmet over his head, and carried a red light sabre. "I am Darth Vader, come to bring chaos to this world." He cried in a sinister voice.
He quickly took out his light sabre and began chasing random students around attempting to destroy them.
Harry knew those students in their first, second, and third, fourth, and fifth years were being kept in the castle unless it became absolutely necessary.
Students from all four houses including the few good Slytherins were all fighting off death eaters. Lupin, Moody, and the rest of the order were busy trying to disarm Darth Vader. Neville was dueling Bellatrix. Ron and Hermione were fighting Draco, Lucius, Crabbe, and Goyle. Harry watched in horror as Dumbledore got in the way of Darth Vader's aimless swings.
This is it he thought to himself, now I'm the only one standing in Voldemort's way to victory and power. Harry turned back to Voldemort and shot a spell at him that sent him flying ten feet into a tree. He got up and grinned wickedly as he saw Harry running over to the Whomping willow. He muttered a trip spell and watched Harry fall.
He then shot the cruciatus curse at him and watched as Harry writhed and twisted in pain. The only thing was that Harry was resisting from screaming.
He stood up and used a shield charm to protect himself. As the shield broke, both wands set forth a stream of power. Both wizards were transfixed as a blinding light appeared out of thin air.
Standing where the light had been were four characters. The first was Luke Skywalker, the one on his right was Yoda, and next to him was Obi Wan.
The fourth person started screaming at those three and Darth Vader "Aaaugh! Hey, stop it! You don't belong here! You're ruining my story!" ignoring her Luke went to fight off Darth Vader, Yoda fought off the death eaters with the remaining students, whereas Obi Wan just stood by a tree eyeing the whole scene.
Now Neville was being hit with the Cruciatus curse and screaming, yet despite his pain he continued to rise to his feet determined to defeat Bellatrix. She was laughing her high pitched cackle. Obi Wan swiftly went over to her and killed her.
Suddenly Dumbledore's corpse spontaneously gets up, casts avada kadavra on Voldemort and dies again. All the remaining death eaters spontaneously combust. Darth Vader turns back into Anakin, everyone starts cheering and everyone celebrates. Suddenly a vortex appears and Anakin, Obi Wan , and Yoda go through to their world.
THE END