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== Analysis ==
Harry's ability to speak Parseltongue is first described in [[Muggles' Guide to Harry Potter/Books/Chamber of Secrets/Chapter 11|''Harry Potter and the Chamber of Secrets'']]; it is only there that we discover how rare this ability is and how it is linked to Voldemort. However, this is not the first use of this ability; in [[Muggles' Guide to Harry Potter/Books/Philosopher's Stone/Chapter 2|''Harry Potter and the Philosopher's Stone'']], Harry speaks to a snake while visiting the zoo with the Dursleys.
The fact that Harry is a Parselmouth plays a major role in ''Harry Potter and the Chamber of Secrets'', as it is his ability to understand Parseltongue that allows him to hear the Monster in the Chamber when it is prowling through the school, and because it allows him to actually open the Chamber. It also plays a lesser role in ''[[Muggles' Guide to Harry Potter/Books/Half-Blood Prince|Harry Potter and the Half-Blood Prince]]'' where it allows him to understand the conversations between members of the Gaunt family as viewed in [[Muggles' Guide to Harry Potter/Magic/Pensieve|Dumbledore's Pensieve]]. It also plays a small role in [[Muggles' Guide to Harry Potter/Books/Deathly Hallows|''Harry Potter and the Deathly Hallows'']] where it allows Harry to open the locket [[Muggles' Guide to Harry Potter/Magic/Horcrux|Horcrux]], understand the false [[Muggles' Guide to Harry Potter/Characters/Bathilda Bagshot|Bathilda Bagshot]], and understand Voldemort's instructions to [[Muggles' Guide to Harry Potter/Characters/Nagini|Nagini]]. [[Muggles' Guide to Harry Potter/Characters/Ron Weasley|Ron]] imitates the sounds Harry made while opening the locket in order to open the Chamber of Secrets in that book, but that is not really Parseltongue but rather simple parroting.