Question: Which character was played by Rupert Grint in all 8 Harry Potter films, including at age 13 in Harry Potter and the Chamber of Secrets?
Sentence (from "Harry Potter and the Chamber of Secrets (film)"): Its story follows Harry Potter's second year at Hogwarts School of Witchcraft and Wizardry as the Heir of Salazar Slytherin opens the Chamber of Secrets, unleashing a monster that petrifies the school's denizens.
Relevant evidence: No