Concentration is a spell mechnisms in Baldur's Gate 3. Some Spells require you to maintain Concentration in order to keep their magic active. If you lose Concentration, such a spell ends. See spells for more information.

 

Concentration Information

If a spell must be maintained with Concentration, that fact appears in its Duration entry, and the spell specifies how long you can concentrate on it. You can end Concentration at any time (no action required).

  • Normal activity, such as moving and attacking, doesn’t interfere with Concentration. The following factors can break concentration:
  • Casting another spell that requires Concentration. You lose Concentration on a spell if you cast another spell that requires Concentration. You can’t concentrate on two Spells at once.
  • Taking damage. Whenever you take damage while you are concentrating on a spell, you must make a Constitution saving throw to maintain your Concentration. The DC equals 10 or half the damage you take, whichever number is higher. If you take damage from multiple sources, such as an arrow and a dragon’s breath, you make a separate saving throw for each source of damage.
  • Being Incapacitated or killed. You lose Concentration on a spell if you are Incapacitated or if you die.



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    • Anonymous

      My dad works at dungons and dragons and I told him NO ONE WANTS CONCENTRATION so he called the president of balders Gate 3 and told him he is FIRED if it isn't gone by next week so good news boys we did iy

      • Anonymous

        Question:
        Say I am currently concentrating on Bane, giving a 1d4 debuff to an affected humanoid's saving throws. I then want to cast Crown of Madness, another concentration spell that requires a Wisdom Saving Throw. Would the debuff from Bane still affect the save for Crown of Madness? When does the concentration from the first spell end?

        • Anonymous

          "I want to break Action Economy even more with multiple concentration spells active at the same time" is how half the comments read lol

          • Anonymous

            Wanting to power fantasy is a valid thing to want, but if you want that, mod the game and lower the difficulty. The mechanic is fair and makes sense both balance wise and narratively. Being able to take double actions for 10 Turns or recast a 3rd level spell every turn without expending any extra spell slots without counterbalance would be insane. And narratively it would be really hard to continuously chanel a spell after being impaled by a sword.

            • Anonymous

              I get that this is a balancing mechanic but the problem is that way too many spells require concentration and at the end it's usually allocated to haste or some other broken spell. The main problem is how inconsistent it is, something simple like bless or entangle shouldn't take concentration when a relatively strong spell like sanctuary doesn't.

              • Anonymous

                If you're tired of having your caster's concentration broken just get the war caster feat and put some points in constitution. It's really not that complicated. Yeah, it still happens sometimes and it sucks but casters are strong as hell in terms of damage output and area-of-effect over melee classes so there are trade-offs.

                • Anonymous

                  I understand this is a mechanic to prevent people abusing overpower spell, but at the end it's more like I can't cast any concentration spell because I cast haste

                  • Anonymous

                    Wizards should have 2 concetrations, at least one free concentration of their school of choice (so they can have 2 up at the same time), except evocation.

                    • Anonymous

                      For those who cries about concentration limit, It is normal to have such a limit cause those spells are usually stronger or more impactant than others, I would like a feat that increase by 1 your concentration limit tho, mostly for buff/debuff purpose, despite that it's fine as it is, just be carefull with the spell you choose to learn or/and prepare.

                      • Anonymous

                        This was done much better in previous editions. Being able to cast only one crowd control spell per character or having to choose between that and blessing/curse is very annoying and limiting. Hell, wouldn't be so bad if I could have more than 4 characters in my party.

                        • Anonymous

                          Concentration is a core mechanic of D&D spellcasters.. why all the confusion and hate for it all of a sudden? Its not new.

                          • Followers lose concentration when you tell them to leave the party to stay at camp. You can still have a follower use concentration on another character and split them from the party to stay at camp, so long as you don't tell them to leave the party, the concentration will stay on (you'd just adventure with 1 less person).

                            • Anonymous

                              this feature just doesnt work man. i have a million examples of just being completely confused and baffled by what happened, and it always surrounded this "mechanic"

                              • Anonymous

                                Does temporary hp damage proc a concentration check? Ie 7 temp hp, 6 damage taken, 1 temp hp remaing, con check?

                                • Anonymous

                                  I hope Larian adds the War caster feat soon. It's pretty rough as a caster without it. Even with higher constitution for concentration checks. Especially with a lot of enemies early on with multi attack.

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