In order of liklihood, with the most likely at the end.
Fred and George kick the bucket.
Voldemort only made six horcruxes - he was going to use Harry's death to make the seventh and final one, but was thwarted before he got the chance (since Harry didn't die).
Draco saves Harry dramatically at the end of the book.
Harry and Ginny get together, as do Ron and Hermione. Honestly, you know there's magic in the world when people who regularly live to be 150+ find true love at age 17.
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Fred and George kick the bucket.
Voldemort only made six horcruxes - he was going to use Harry's death to make the seventh and final one, but was thwarted before he got the chance (since Harry didn't die).
Draco saves Harry dramatically at the end of the book.
Harry and Ginny get together, as do Ron and Hermione. Honestly, you know there's magic in the world when people who regularly live to be 150+ find true love at age 17.