Exploring the vast world of Dragon Quest 2 HD-2D Remake can feel like stepping into a treasure hunter’s dream — until you run into the dozens of sealed doors and chests scattered across towns, castles, and dungeons. These aren’t just decorative obstacles; many hide powerful weapons, rare accessories, and key progression items. To unlock them all, you’ll need a set of special keys — each tied to a different stage of your journey.
Dragon Quest 2 Remake Locked Doors and Chests
In Dragon Quest 2 Remake, every locked door and chest corresponds to a specific key type, easily identified by color. These aren’t one-use items — once obtained, a key permanently unlocks every matching door or chest in the game world.
| Lock Type | Color | Required Key |
|---|---|---|
| Red Doors & Red Wooden Chests | Red | Thief’s Key |
| Blue Doors & Blue Chests | Blue | Magic Key |
| Silver (Green-Tinted) Doors & Chests | Silver/Green | Ultimate Key |
While all keys are eventually acquired through main story progression, understanding when you get each one helps you know when to backtrack and claim valuable loot you couldn’t reach earlier.
How to Get the Thief’s Key
The Thief’s Key is your first major tool for exploration. It lets you open red-colored doors and red wooden chests, which often contain early-game upgrades or hidden lore items.
Steps to Obtain the Thief’s Key
- Reach Moonbrooke Castle: Continue through the story until you recruit Caradoc, the Prince of Cannock.
- Recruit Peronel, the Princess of Moonbrooke.
- Visit Moonahan and interact with the lost dog.
- Travel to Moonbrooke Castle and find the flower in the courtyard that triggers a vision.
- Journey east to the Swamp Shrine and obtain Ra’s Mirror.
- Return to Moonahan, use Ra’s Mirror on the dog — revealing Peronel.
- Return to Moonbrooke Castle: After Peronel joins the party, speak to the Chancellor of Moonbrooke, who will reward you with the Thief’s Key.
Once you have it, you can revisit earlier towns like Midenhall, Cannock, or Moonbrooke to open every red chest you passed before.
How to Get the Magic Key
Midway through the adventure, the Magic Key expands your reach by unlocking blue doors and chests — many containing stronger weapons and mid-tier magic scrolls.
Steps to Obtain the Magic Key
- Acquire the Ship at Rippleport: This gives you access to new regions and key story locations across the open sea.
- Collect the Three Sigils (Star, Moon, and Sun): Found in the Lighthouse, Dirkandor, and Burrowell/Shrine of Flames respectively.
- Help the Dream-Whisperer and the Mermaid Queen.
- Visit the Shrine of Rain, where the Over-Seer directs you to Gaggle Rock.
- Travel to the Faerie Palace, defeat Belial, and obtain Lorelei’s Harp.
- Speak to the mermaids at Gaggle Rock, then journey to the Mermaid’s Sanctuary.
- Defeat Toadalitarian in the final boss fight of this questline.
- Meet the Mermaid Queen: After the cutscene in Mersea, the Mermaid Queen will grant you the Magic Key.
From this point on, many previously locked shrines and towers become accessible, revealing hidden sigils and bonus equipment.
How to Get the Ultimate Key
The Ultimate Key is the final and most powerful key in Dragon Quest 2 Remake. It opens every remaining door and chest in the game — especially the green-tinted silver ones — including late-game treasure rooms and optional post-game areas.
Steps to Obtain the Ultimate Key
- Collect All Five Sigils: You’ll naturally earn these through the main quest, unlocking the path to the final region, Rendarek.
- Enter the Rendarek Shrine: Once you reach this snow-covered region, travel to the northeast corner to find the shrine.
- Talk to the Priest at the Back of the Shrine: He will hand over the Ultimate Key, officially granting you access to every sealed location in the game.
Use this opportunity to backtrack to older towns and castles — many green-tinted silver chests contain rare relics, end-game armor, and the legendary Mark of Erdrick, required for ultimate equipment upgrades.
Why Keys Matter in Dragon Quest 2 Remake
Each key isn’t just a convenience — it represents a milestone in your journey. The progression from the Thief’s Key to the Ultimate Key mirrors your growing status as the Hero of Erdrick’s bloodline, unlocking new lands and secrets in tandem with your party’s strength. Players who revisit older areas after obtaining new keys are rewarded not only with stronger loot but also with deeper connections to the game’s lore.
Pro Tip: Backtracking for Hidden Treasures
After acquiring each key:
- Revisit earlier towns like Moonbrooke, Cannock, and Rippleport to access new rooms.
- Check shrines and towers for sealed chambers you might have ignored.
- Use the Zoom spell or Chimaera Wings for fast travel between regions to make backtracking efficient.
The developers clearly designed these keys to reward exploration — you’ll often find stat-boosting Seeds, scrolls, and powerful armor tucked behind the locks you once passed.
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Unlocking every door and chest in Dragon Quest 2 HD-2D Remake is one of the most satisfying experiences in the game. Each key not only opens physical barriers but also unfolds new layers of the world’s story, tying your adventure neatly from humble beginnings in Midenhall to the icy halls of Rendarek.
Whether you’re chasing 100% completion or just seeking every treasure chest you missed, mastering these keys is essential to truly conquering the world of Dragon Quest 2 Remake. Play Now!
