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Baldur’s Gate 3 Multiclassing Guide: How to Multiclass in BG3

Want to know how to multiclass in BG3? Some people are never satisfied with what they have. Sure, they’ve rolled up a Fighter in Baldur’s Gate 3 but now they want their purely martial class to start flinging spells like they’ve suddenly entered a pact with an otherworldly being. The good news is that, like D&D, multiclassing in Baldur’s Gate 3 is totally a thing. Even with a lower level cap, players can mix and match classes to make their ideal character. Here’s how.

What Is Multiclassing in BG3?

How to multiclass in Baldur's Gate 3.

Multiclassing is simply speccing into more than one class per character. For example, you could start with a Level 1 Fighter and upon hitting Level 2, choose to begin leveling as a Warlock. The tradeoff here is that while a character can have access to a larger arsenal of abilities and spells, it’s at the expense of not being able to access higher-level abilities and spells had one class not been chosen exclusively.

With a level cap of 12, players don’t have as much room to tinker as they would in a full D&D campaign, but it’s still enough to get creative. The trick with leveling when multiclassing is that the classes’ levels will add up to 12. For example, we specced seven levels into Fighter and five into Warlock.

How To Multiclass In Baldur’s Gate 3

How do you multiclass in BG3?

Multiclassing is only accessible to those playing on the Balanced or Tactician difficulties. Players must reach Level 2 before choosing their additional class. Once this low barrier to entry is cleared, at the next level up, players will want to click on the Add Class button in the upper right of their Level Up window. From there, they can choose their additional class.

Note that you can only level up one class at a time. For example, at Level 2, we selected Warlock as our second class. At Level 3, we leveled up Fighter again, making our character a Level 2 Fighter/Level 1 Warlock. There aren’t any real restrictions on when you choose to level up each class but players will want to be considerate of how their spells and abilities will be beneficial when playing. 

How To Modify Your Multiclass Build In BG3

That being said, sometimes a multiclass build simply isn’t working out. It’s not the easiest formula to figure out and players must take a lot of factors into consideration like how their character plays and then other things like party composition. Your companions in Baldur’s Gate 3 can also be multiclassed, which can make for some truly unique and powerful combinations, but it will probably take some testing and adjustments to find that right balance.

This is where your favorite mysterious ghoul, Withers, comes into play. Withers is found in the Dank Crypt, just north of the crashed Mind Flayer ship at the start of the game. Players will need to proceed through this dungeon until they reach a sarcophagus guarded by skeletons. Defeat the skelly-men and open the sarcophagus to recruit Withers, who will be waiting at your camp.

When speaking with Withers at your camp, the groovy ghoulie will respec your character for a small sum of 100 gold. This will set you back to Level 1 where you can change your starting class and then multiclass. Once players hit Level 12, it’s worth exploring your options in full with a respec.

That’s all you need to know about how to multiclass in BG3! Multiclassing is a great way to add diversity to your playstyle and can provide some really fun interactions with the various denizens of the Forgotten Realms. While you’re out there adventuring, be sure to check out our guide on what to do with the Iron Flask.