No, in the 7th book Ron is able to open the Chamber of Secrets to get a basilisk fang just by copying the sounds Harry makes (it’s weird and pretty throwaway, easy to miss, but it happens).
Weird but self-consistent explanation: The Chamber of Secrets itself isn’t a Parselmouth. It’s not really using the Parseltounge API, it just uses the raw audio of the speaker.
No, in the 7th book Ron is able to open the Chamber of Secrets to get a basilisk fang just by copying the sounds Harry makes (it’s weird and pretty throwaway, easy to miss, but it happens).
Weird but self-consistent explanation: The Chamber of Secrets itself isn’t a Parselmouth. It’s not really using the Parseltounge API, it just uses the raw audio of the speaker.