Hogwarts Legacy lets you complete quests and side quests for extra rewards, and one of the sides quests you can pick up is the Cache in the Castle quest. You will help Arthur Plummly find some hidden treasures around the school, and in return, you might get something from it. The quest is quite simple to follow, but if you are stuck, we have you covered. In this guide, we will see how to complete the Cache in the Castle side quest and help Arthur find the treasure in Hogwarts Legacy.
Hogwarts Legacy – Cache in the Castle Side Quest Guide and Arthur’s Treasure Location
Helping Arthur find the hidden treasures is worth getting the rewards in the end. Here we will see how to complete the Cache in the Castle quest in Hogwarts Legacy.
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You can get the Cache in the Castle quest after you complete the main quest Welcome to Hogsmeade. On your map, locate the Astronomy Wing and head over to the Charms classroom. You can fast-travel here using the Floo Flames and get to the Charms class. Go outside, and beside the classroom is a statue. Standing beside it is Arthur Plummly studying a map. Go up and interact with him till you get the option to have a look at the map.
The images on the map represent all the locations where the treasure can be hidden, and you can find them around the school. The first clue is an Erumpent skeleton, which can be found in the Defense Against the Dark Arts Tower. It is quite close to the Astronomy Wing, so take Floo Flame and head over there. You will find the skeleton on the mantel here.
After interacting with the skeleton, you will get your next clue. It is the Wyvern fountain in the Transfiguration Courtyard. You can take the floo flame and head over there next.
The next one is a painting in the North Hall. From the fountain, take the large doors on the north side to the North Hall where the History of Magic class is, and take the stairs up. You will find a painting on the right side of the stairwell, and you will know it is the one when your character comments on it. Use Accio on the painting to reveal a secret location. Head inside and open the chest to get the treasure.
To complete the quest, head back to Arthur and present him with the treasure, and he will tell you to keep it. As a reward, you will get the treasure, which is the Authentic Historian’s Uniform outfit, and some XP.
That’s all there is to know about completing the side quest Cache in the Caste. If you like this guide you can check out our other guides as well.