Part 5/7:
Just as the trio believes they have the monster identified, another attack occurs, and nearly headless Nick, along with their fellow student, is petrified. As they follow the evidence that leads them to Hagrid, they uncover more of his tragic backstory, revealing the heart of the mystery surrounding the Chamber of Secrets.
The Chamber itself
Their investigation leads Harry and his friends to the hidden entrance of the Chamber, where Harry faces the memory of Tom Riddle and his monstrous Basilisk. Despite the alarming circumstances, with Forks the phoenix to aid him, Harry unearths the truth about the attacks and figures out a way to confront the terror that resides within the Chamber.