Dragon Quest II HD-2D Remake Guide | How to Find All Keys

Here's a guide on how to find all Keys in Dragon Quest II HD-2D Remake.

Game Guide by TauxicPandA on Nov 10, 2025

Keys are items scattered throughout the world, and collecting them as soon as possible ensures that you are never blocked from advancing the main quest or exploring hidden locations.

Each key unlocks specific types of doors and chests, so getting all of them is necessary to complete your journey efficiently.

Dragon Quest II HD-2D Remake, Guide, How to Find All Keys

Thief’s Key

You will receive the Thief’s Key as part of the main story. After returning to Moonbrooke Castle with the Princess of Moonbrooke, speak to the Chancellor to obtain it.

This key allows you to unlock all red-colored doors and chests found throughout the world. Once you have it, revisit earlier locations to open previously inaccessible rooms and treasure containers in Dragon Quest II HD-2D Remake.

Magic Key

The Magic Key can be found in Mersea, located on the ocean floor. You will acquire it after defeating Toadalitarian, the boss encountered inside the Mermaid’s Sanctuary. Once the post-battle cutscene finishes, the key becomes available.

Dragon Quest II HD-2D Remake, Guide, How to Find All Keys

The Magic Key grants you access to all blue-colored chests and doors, allowing you to explore new areas and uncover valuable items that were locked before.

Ultimate Key

You can obtain the Ultimate Key during your visit to Rendarak Shrine. After entering the shrine, speak with the Priest you find inside. He will give you the key as you continue your search for Hargon in Dragon Quest II HD-2D Remake.

This key unlocks all green-colored doors and chests, making it one of the most important keys for completing your exploration and gaining access to restricted sections of the world.

Floodgate Key

The Floodgate Key is found in the town of Burrowell. To obtain it, speak to Roge Fastfiner, who is located inside the room connected to Elmoo’s jail cell. If Roge does not appear right away, you may need to progress the story further before he becomes available. Once you have the key, you will be able to operate floodgates in specific areas tied to your quest.

Dragon Quest II HD-2D Remake, Guide, How to Find All Keys

Misplaced Key

You will find the Misplaced Key after defeating the boss in the Den of Thieves. This is a required story item, so it cannot be missed as long as you visit the Deserted Village during your adventure.

Getting this key ensures that you can continue progressing through the main storyline uninterrupted in Dragon Quest II HD-2D Remake.

Also, check our Dragon Quest I & II: HD-2D Remake Review and other guides below: