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Baldur’s Gate 3has 3 acts to it. As you wrap up the events of an Act. you check off a significant milestone for the story. Each of these acts has plenty of side quests for you to explore and gain some extra experience.
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Rescue the Grand Duke is a side quest you will be able to pick up and will not take you that long to complete if you know where to go and make a great time in the process.
Updated by Chad Thesen on August 14, 2025: This guide has been updated to feature new embedded links that can allow easier navigation for readers. These embedded links include one for a guide about how to build the companion character Wyll and an article about the voice actors behind the characters.
Finding The Warehouse Basement
You will acquire this quest while onThe Risen RoadfromRugan. Once you have the quest, you can head on straight torescuing the Duke. To do this, head on over to theLower Citylocation atX: -70, Y: -150. This will bring you to thedocks,and some really large metal doors. You canbrute forceyour way through, arousing suspicion in the processes, or be more tactful andpick the locks. Whichever you choose, be sure to have your frontlinersreadyat the doors. Opening these doors will reveal a pack ofworgsinside. This will initiate combat.
Have your frontliners act as abarrierbetween the worgs and thedoorsto keep your back rowsafe. If you have a spell caster with powerfulAoE spellsat their disposal, have your frontliners just shy of theblast zone. This candeal damageto your enemies andcoat the areawhile they fight your frontliners, who are safe. Some good frontliner choices arePaladinsandFighters, as well as aCircle of the Moon Druidthat canCombat Wild Shape. Some great back-row options areRangers,Rogues,Sorcerers,andWizardsfor their ranged DPS potential. After all the worgs have been dispatched, look at theNorth-Westtop of the warehouse to find ahatchthat serves as an entrance to thebasement. Interact with this hatch to travel through it.
Gain Access To The Submersible
Head all the way south through the area until you come to some large doors that say, “Machine Parts Storage.” Push these doors open, and you will come to a room with only one other way out. Moving your cursor over the other set of doors in the room will say “Subaquatic docks.” These doors can be found atX: -1068, Y: 307in case you made a wrong turn. The doors lead into a room with lots of water and ametal bridge. HeadEastalong the metal bridge, and you will seeRedhammer the Deviser. If you can take along rest, do so; you will need it for what is to come.
Interactwith Redhammer to update your journal and begin a dialogue exchange. You will need to convince Redhammer to let you use the submersible. You can do so by using your choice ofPersuadeorIntimidate. It’s not a bad idea to make asavebefore starting this dialog. Sometimes, the dice rolls are against you, and being able to take another crack at it is not something you should be afraid of doing. You have every right to enjoy the game and not feel obligated to use the results you got on the first try.
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Freeing The Grand Duke
This will trigger a cutscene where you will delve into the depths inside thesubmersiblevehicle. This cutscene will be cut short by some dialog fromLord Enver Gortash. After this exchange, you’re able to leave the submersible and make your way to rescueDuke Ulder Ravengard. Defeat all the hostiles preventing you from progressing and make your way toX: 30, Y: 54. Mizora will manifest as you do. After some dialogue, make your way back to the surface and set upcamp.Interactwith theDuke.
Your best dialog option would be touse the parasite. This will allow the Grand Duke to see memories of the player character and that ofWyll. It will easily allow him to understand the reasoning for Wyll’s actions and come toaccepteverything he has done. He will seek his son’s forgiveness, and all the hostility and tension in his interactions will be no more. After this, you will receive a heavy amount of newinformationand lore. This will also set in motion a new part of your journey and a newgoalto set your sights on. You will be rewarded with a book titled “The Legend of Ansur,” receive some journal updates, and The Grand Duke quest will be marked ascompleted. Read the book you received for some moreupdates to your Journal. There is somebrilliant voice workfor this and many other cutscenes.
