Hogwarts Legacy Cache In The Castle: How To Solve Arthur’s Treasure Map Puzzle

February 7, 2023

Hogwarts Legacy Cache In The Castle is a side quest you can complete if you want to get your hands on an Authentic Historian’s Uniform.

This side quest will also get you 180 XP on completion, which is good if you want to level up and fight tougher enemies.

However, if you don’t like treasure hunts or don’t have patience exploring your surroundings, this quest can cause you problems.

Therefore, the following Cache In The Castle side mission walkthrough could come in handy for you.

How To Start The Cache In The Castle Side Quest In Hogwarts Legacy

First, you need to meet a requirement in order to make this side mission appear on your map, and that is to complete the Welcome To Hogsmeade story quest.

Next, you need to find Arthur Plummly, who is located in The Astronomy Wing area of Hogwarts Castle.

As such, you’ll need to open the Hogwarts map, select the Astronomy Wing flag on the east side of the castle and track the quest by pressing X above its icon.

The tracker should help you easily find Arthur Plummly, and if you have the Charms Classroom Floo Flame unlocked, you can fast-travel there.

The quest giver is located really close to the Charms Classroom Floo Flame if you have problems finding him.

All you have to do is go down the stairs north of the Floo Flame and turn left to find the mission giver in front of a big window.

Hogwarts Legacy Cache In The Castle Walkthrough

Talk to Arthur to see what steps you must take to complete Hogwarts Legacy Cache In The Castle.

Where To Find The Skeleton From Arthur’s Treasure Map

The NPC will give you a treasure map on which you can see a couple of landmarks.

Hogwarts Legacy Cache In The Castle Guide

The first one you have to reach is the rhinoceros skeleton pointed by the arrow.

To easily find the first landmark, you must go down three floors using the stairs to the north upon speaking with Arthur.

Once on the right floor, head to the railing to your left, and you should see the rhinoceros skeleton between two globes on the lower level.

Make your way to the skeleton and position yourself in front of it to discover the first Cache In The Castle landmark.

Hogwarts Legacy Cache In The Castle How To Find First Landmark

Where To Find The Dragon From Arthur’s Treasure Map

For the second landmark, go down the stairs west of the rhinoceros skeleton.

Then, go outside through the door in front of the stairs.

The second Hogwarts Legacy Cache In The Castle landmark is the fountain in the middle of the garden, like in the next image.

Hogwarts Legacy Cache In The Castle How To Find Second Landmark

Where To Find The Third Landmark From Arthur’s Treasure Map

Now you have to head northwest of the previous fountain and go through the door in front of the big tree.

Once inside, go forward about ten meters and turn right to see some stairs going up.

It seems that the stairs are the third landmark in the Cache In The Castle side mission.

Hogwarts Legacy Cache In The Castle How To Find Third Landmark

Where To Find The Painting From Arthur’s Treasure Map

At this time, you need to find the painting shown in Arthur’s treasure map.

As such, go up the first two sets of stairs, and you should see the Cache In The Castle painting on the wall to the left, near another skeleton, as shown in the following screenshot.

Hogwarts Legacy Cache In The Castle How To Find Painting

How To Discover The Painting’s Secret

The secret to the painting is pretty easy if you pay attention to the treasure map one last time.

On the treasure map, you can see a hand near the painting, which is the symbol for the Accio summoning spell.

With that in mind, aim at the painting and use the spell by pressing R2 + Square to open a secret door hiding a chest.

Hogwarts Legacy Cache In The Castle Painting Secret

Open the chest to get the Authentic Historian’s Uniform and head back to Arthur Plummly near the Charms Classroom Floo Flame to complete the Hogwarts Legacy Cache In The Castle side quest.

But don’t forget to check our Wiki Hub here for other useful guides for the video game developed by Avalanche Software.

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