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This is a walkthrough guide from Mersea to the Mermaid's Sanctuary for the Main Story of Dragon Quest 2 HD-2D Remake (DQ2). See the objectives for Mersea to the Mermaid's Sanctuary and follow a step-by-step walkthrough in this guide.
| ◀ Previous Guide | Next Guide ▶ |
|---|---|
| Rain Shrine to Faerie Palace | Den of Iniquity to Thief's Hideout |
List of Contents
Attention! |
This page contains major spoliers for Dragon Quest 2 HD-2D Remake! Continue reading on at your own risk. |
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| Jump to an Area Walkthrough! | |||
|---|---|---|---|
| 1 | Mersea | 2 | Mermaid’s Sanctuary |
| 1 | ![]() After defeating Belial, you’ll receive Lorelei’s Harp from the Dream-Whisperer. This item allows you to explore the open sea from below, so head to Gaggle Rock and talk to the mermaids about it. |
|---|---|
| 2 | ![]() After talking to the mermaids in Mersea, dive at the location indicated on the map to find the Mermaid’s Sanctuary. |
| 1 | ![]() Enter the Mermaid’s Sanctuary and head north. Keep in mind that your starting point changes depending on where you enter, but always aim north, since you’ll find the stairs there. |
|---|---|
| 2 | ![]() On the next basement floor, head north, then go right toward the next set of stairs. |
| 3 | ![]() Once you reach the third floor, head east to climb back up to the second floor. |
| 4 | ![]() Defeat the two Octopests up ahead. You can use attacks such as Zap to deal heavy damage, as they’re weak to it. |
| 5 | After the battle, head down and take the stairs back up to the first basement floor. |
| 6 | ![]() Take the nearest stairs down south to return to the second basement floor. |
| 7 | ![]() Defeat the three Yellowfinks up ahead. You can use spells like Swoosh to target their weakness. |
| 8 | ![]() Head west after the battle and take the stairs down to the third basement floor. |
| 9 | ![]() Descend further to the fourth floor. There’s no complicated stair maze here, so just proceed to the boss battle against the Toadalitarian, Venomollusks, and Women O’War. |
| 10 | ![]() After the battle, you’ll be taken back to Mersea. Finish the cutscene to get the Magic Key. |
| 11 | ![]() Leave the Faerie Castle afterwards and continue searching for the last set of sigils. |
![]() Cauldrone |
![]() Neanderdrohl |
![]() Jawtoise |
![]() Tuskateer |
![]() Octavian Pirate |
![]() Octopest |
![]() Yellowfink |
![]() Toadalitarian |
![]() Woman O' War |
![]() Venomollusc |
Here are all the enemies you'll encounter in this part of your adventure!
List of All Monsters and Enemies
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| Recommended Level |
|---|
| Level 31 |
Octopests are weak to electric-based attacks, so spells like Zap can help you take them down easily. Consider using the Princess of Moonbrooke as your main source of damage, as she can deal heavy spell damage thanks to her high stats.
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| Recommended Level |
|---|
| Level 31 |
Yellowfinks share the same weakness, so you can continue using the strategy you used against the Octopests. Deal as much damage as you can with spells to clear them out quickly and efficiently.
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| Recommended Level |
|---|
| Level 31 |
For this combat, prioritize defeating the smaller creatures, such as the Venomollusks and the Women O’ War. Make the Prince of Cannock the healer for this battle. Go on the offensive with the two princesses and use their spells to damage the entire group.
| We’re still gathering all sparkly spot locations for this part of the story. Please check back later! |
| There are no secret spots for this part of the adventure! |
| Map Image | World Image | |
|---|---|---|
46 |
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All 80 Mini Medal Locations and Rewards
Walkthrough Part 8: Mersea to Mermaid's Sanctuary



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