How to defeat Estark in Dragon Quest IV
How to defeat Estark in Dragon Quest IV

Estark is located at the end of the Mamon Mines. You’ll have to visit the Diabolic Hall to trigger his resurrection and then go there to defeat him. Doing so will give you access to an air transport and to the final dungeons in the game.

Preparations

  • Be at least level 28. This will be one of the hardest bosses up until this point in the story. Grind in the Colossus Tower if you’re not at that level yet.
  • Gear Up. You should’ve gotten the Zenithian Helm, Shield and Armor already. Also buy the best armor you can for the rest of your party, and equip either the Falcon Knight Earrings or the Fire Claw on Alena. 
  • Have the Mod Rod. This is optional but will allow you to clear the Diabolic Hall much faster and without triggering fights. See our guide on how to get it!

Resurrecting Estark

After you cross the Colossus Tower, you can head east on that same island to reach the Diabolic Hall. Psaro and his minions are stationed here. 

Some directions to find the Diabolic Hall (1) | Dragon Quest IV
Some directions to find the Diabolic Hall (2) | Dragon Quest IV
Some directions to find the Diabolic Hall

If you have the Mod Rod, you can turn yourself into a monster to talk to every monster. If you don’t have it then talking to them will trigger a fight. Get to the last floor, to the dining room, and talk to every single NPC before sitting at the dinner table, beside the blue tiger.

You have to talk to everyone first before sitting at this spot | Dragon Quest IV
You have to talk to everyone first before sitting at this spot

Psaro will appear and tell every monster to go to Mamon and resurrect Estark there. That’s where you need to go. It’s the same mine where you got the gunpowder during Chapter 4.

Mamon Mine is taken over by Psaro’s minions now | Dragon Quest IV
Mamon Mine is taken over by Psaro’s minions now

Finding Estark

The mines don’t have an Inn anymore, and the place is invaded by monsters. The first half of the mine is identical to the last time, until you find a new entrance in front of a dead NPC. Go there to access the ruins.

There’s a new entrance at the end of the mines | Dragon Quest IV
There’s a new entrance at the end of the mines

There is a small house in here, enter it to heal your party and then go east to enter the giant temple.

Walk north to get through the first room. The wall immediately north in the next room has three small cells; the one on the right has a Mini Medal, the next one has a Mimic and the western one has some gold.  

Avoid the mimic and grab the two chests (1) | Dragon Quest IV
Avoid the mimic and grab the two chests (2) | Dragon Quest IV
Avoid the mimic and grab the two chests

Go south and enter the next room to your right to find a Strength and Agility Seeds. Keep going south and climb the stairs. Follow the pathway until the end, skip the stairs on the northeastern corner and go through the eastern ones instead. 

Grab the two seeds and go here (1) | Dragon Quest IV
Grab the two seeds and go here (2) | Dragon Quest IV
Grab the two seeds and go here (3) | Dragon Quest IV
Grab the two seeds and go here (4) | Dragon Quest IV
Grab the two seeds and go here

Follow the path north. Immediately to your left there’s a room with a Mini Medal and a Mimic. The nearby chest is inaccessible for now, skip it. Get through the northwestern path and up the stairs inside the small cell.

Grab that Mini Medal and go up the stairs (1) | Dragon Quest IV
Grab that Mini Medal and go up the stairs (2) | Dragon Quest IV
Grab that Mini Medal and go up the stairs

Follow that path and you’ll reach the main platform, where Estark is being resurrected. Two Cheater Cheetas and a Rhinocerex will try to stop you, but they’re easy to defeat. That’s not the boss fight, however. After defeating them, heal up your party, get ready and talk to Estark to start the boss fight.

Boss Fight with Estark  | Dragon Quest IV
Estark
2700 HP, can cast Disruptive Wave, Chilly Breath and Focus Strength
He’ll be asleep at the start of the fight. When he’s asleep he uses a special attack that damages your entire group. On the first turn defend with everyone except one character (your tankiest one) and attack Estark with him to wake him up. 
After he wakes up, he’ll attack twice in some turns, so keep a dedicated healer using Midheal every turn to keep your party at full HP. Keep Kabuff up at all times; cast it again when he does the wave attack that nullifies all your buffs. He’s quite resistant to Sap, so simply attack him as often as you can while healing up until the fight is over.

You just defeated Estark! Luckily, he wasn’t fully awake, so you didn’t have to fight him at his full potential.

After defeating him, Psaro will storm in and find out you just defeated Estark, but before he can fight you, a monster informs him that something happened to Rose, so he’ll go away.

Psaro will have to leave instead of fighting you | Dragon Quest IV
Psaro will have to leave instead of fighting you

Don’t exit the dungeon yet! Remember the chest a couple of rooms ago that was inaccessible? Head back there and you’ll see it’s not blocked anymore. Open it to find a Gas Canister. 

The Gas Canister location | Dragon Quest IV
The Gas Canister location

The inventor at Riverton can use this item to make you an air balloon. With it, you can travel to every single place in the world, including the ones that were inaccessible before.