Cache In The Castle

In this Hogwarts Legacy side-quest guide, we'll explain the location and solution to the "Cache In The Castle" side-quest.

Assignment Details
Available: Complete "Professor Hecat's Assignment 1".
Reward: XP and outfit

Talk to Arthur next to Professor Fig's room to begin this quest. Descend three floors to find the first clue.

Now go to the shapeshifting courtyard to find another clue in the fountain.

Go through the west door and up the stairs in the north hall to find a mysterious painting. Use the Accio spell on the upper part of the painting to make a magic door appear. Go through the door to take the outfit from the chest, then return to Arthur to complete this Hogwarts Legacy quest.