In the Great Hall of Hogwarts. In the movie it was changed to the Courtyard.
Yes, Harry won and Voldemort died.
Yes, he fought the spirit of Voldemort's younger self.
Lord Voldemort
Surprise: yes, he did.
Yes, of course.
The main idea was that Umbridge was being rude to harry and that none would believe that Voldemort was back.
Harry Potter Ron, Hermione and Harry eventually destroy all of the horcruxes and kill Lord Voldemort.
Yes, you play as Dumbledore to do this, then you play as Harry to defeat Voldemort using Occlumency.
At a certain point-the main fight- Harry is alone with Voldemort while they are fighting.
Nami's bo staff wouldn't stand a chance against Voldemort's spells.
Yes. Harry goes to Voldemort because after viewing memories of Dumbledore and Severus, he finds out Dumbledore planned for him to die, and for Voldemort to kill him. Once Voldemort kills Harry, Harry is given the choice to die or come back and fight. Harry decides to go back and fight, which seems as though he died and then came to life.
Their lives. They sacrificed themselves so that harry could live. First, James Potter tried to fight Voldemort on his own to give Lily and Harry time to escape. Then Lily sacrificed herself when Voldemort told her to give up her son, Harry. By sacrificing herself, she used an old magic that protected Harry from Voldemort.