Question: why did dumbledore leave harry the sword of gryffindor?
Answer: Sword of Gryffindor Scrimgeour speculated that Dumbledore left Harry the sword of Godric Gryffindor, because it might be capable of defeating the Heir of Salazar Slytherin. ... It would later be used by Ron to destroy Salazar Slytherin's Locket and by Neville Longbottom to kill Nagini.