They get all but two of the horcruxes, go to Hogwarts, find Ravenclwas Horcruxed Item which turns out to be a diadem, then a great battle errupts between death eaters, and good wizards, spawning the deaths of Colin Creevy, Fred Weasley, Remus Lupin, Nymphadora Lupin, and more. With Nagini as the last horcrux, Voldemort finally has the battle cease and have Harry meet him at the forbidden forest, and duke it out with their wands. He had until midnight. He then found out that he himself was a horcrux and that Snape was actually a good guy. He then confronted Voldemort, got hit by the killing curse, then went into a strange dimension, talked to Dumbledore, then came back out, pretended to be dead, saw Nevil kill Nagini, witnessed Mrs. Weasley kill Belatrix Lestrange, then finally killed Voldemort, then used the power of the elder wand to repair his old wand, then it ended.