Taking the time to help Mr. Moon and upgrade Alohomora can let players access secret areas in Hogwarts Castle, including the Headmaster's Private Tower Room, hidden behind a level three door unlock.

You will explore the castle and find the common rooms’ location, but you will not enter them as it is not allowed in Hogwarts Legacy.

There's a chest inside a room to your left. Trophy Room (Headmaster's Bedroom) - For this Hogwarts Legacy legendary chest, you need to complete a main quest called Niamh Fitzgerald's Trial.

Hogwarts Legacy has plenty of hidden secrets around the castle, while it’s disappointing that fans aren’t able to enter the chamber of secrets, there are still other locations to be uncovered.

The Room of Requirement, featuring the Goblet of Fire and the vanishing cabinet. The set's four minifigures: Godric Gryffindor, Helga Hufflepuff, Salazar Slytherin, and Rowena Ravenclaw.