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List of sources that affect Spell Save DC

From bg3.wiki

This is a comprehensive collection of all the sources that affect Spell Save DCs, other than proficiency bonus and spellcasting ability modifier.

Flat increases to Spell Save DC[edit | edit source]

Equipment Slot DC Increase Spell DC Stat-line Found in Act
Amulet of the Devout Amulet Amulet +2
High Spellcasting
You gain a +2 bonus to Spell Save DC.
3
Armour of Landfall Clothing Clothing +1
High Spellcasting
You gain a +1 bonus to Spell Save DC.
3
Armour of the Sporekeeper Clothing Clothing +1
Malefic Funghi
The wearer gains a +1 bonus to Spell Save DC and when dealing Damage TypesNecrotic damage, they deal an additional 1Damage TypesNecrotic Damage.
3
Caitiff Staff Main Hand Melee Main Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3
Cloak of the Weave Cloak Cloak +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3
Despair of Athkatla Main Hand Melee Main Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3
Elixir of Battlemage's Power Coating +2 or +3 You gain a +2 or +3 bonus to Spell Save DC. All
Fistbreaker Helm Headgear Headgear +1
High Spellcasting
You gain a +1 bonus to Spell Save DC.
2
Gauntlet of the Tyrant Gloves Gloves +1
High Spellcasting
You gain a +1 bonus to Spell Save DC.
3
Helldusk Gloves Gloves Gloves +1
Infernal Acuity
You gain +1 bonus to Spell Attack Rolls and Spell Save DC.
3
Hood of the Weave Headgear Headgear +2
Arcane Enchantment
You gain a +2 bonus to Spell Save DC and Spell Attack rolls.
3
Infernal Rapier Main Hand Melee Main Hand Melee +1
High Spellcasting
You gain a +1 bonus to Spell Save DC.
2
Ketheric's Shield Off-Hand Melee Off-Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
2
Markoheshkir Main Hand Melee Main Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3
Melf's First Staff Main Hand Melee Main Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
1
Robe of Exquisite Focus Clothing Clothing +1
High Spellcasting
You gain a +1 bonus to Spell Save DC.
2
Ring of Feywild Sparks Ring Ring +1 You gain a +1 bonus to Spell Save DC. 3
Robe of the Weave Clothing Clothing +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3
Staff of Spellpower Main Hand Melee Main Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3
Staff of the Emperor Main Hand Melee Main Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3
The Protecty Sparkswall Clothing Clothing +1
High Spellcasting
You gain a +1 bonus to Spell Save DC.
1
Woe Main Hand Melee Main Hand Melee +1
Arcane Enchantment
You gain a +1 bonus to Spell Save DC and Spell Attack rolls.
3


Flat decrease to Spell Save DC[edit | edit source]

Equipment Slot DC Increase Spell DC Stat-line Found in Act
Wizardsbane Oil Coating -3 You gain a -3 penalty to Spell Save DC. All

Conditional increases to Spell Save DC[edit | edit source]

Equipment Slot Maximum DC Increase Spell DC Stat-line Found in Act
Browbeaten Circlet Headgear Headgear +1
Browbeaten
The wearer gains a +1 bonus to spell save DC while Threatened Threatened.
2
Gloves of Battlemage's Power Gloves Gloves +10
Battlemage's Power
When you hit a target with a spell or cantrip that uses a weapon, you gain Arcane Acuity Arcane Acuity.
2
Hat of Fire Acuity Headgear Headgear +10
Fire Acuity
Whenever you deal Damage TypesFire damage, you gain Arcane Acuity Arcane Acuity for 2 turns.
2
Hat of Storm Scion's Power Headgear Headgear +10
Thunderous Acuity
Whenever the wearer deals Damage TypesThunder damage, they gain Arcane Acuity Arcane Acuity.
2
Hat of Uninhibited Kushigo Headgear Headgear +1
Lay Bare Their Weakness
After dealing damage with an unarmed attack, the wearer gains a +1 bonus to their spell save DC until the end of their turn.
2
Helmet of Arcane Acuity Headgear Headgear +10
Battle Acuity
Whenever you deal damage with a weapon attack, you gain Arcane Acuity Arcane Acuity for 2 turns.
2
Rhapsody Main Hand Melee Main Hand Melee +3
Scarlet Remittance
Gain a +1 bonus to Attack rolls, damage, and Spell Save DC for every foe you slay, up to a maximum of +3.
3
The Shadespell Circlet Headgear Headgear +1
Shadespell
While the wearer is obscured in shadow, their spells gain a +1 bonus to Spell Save DC, making them more likely to succeed.
1

Indirect increases to Spell Save DC[edit | edit source]

Equipment Slot Spell DC Stat-line Found in Act
Birthright Headgear Headgear Charisma Charisma +2, up to a maximum of 22. 3
Boots of Stormy Clamour Boots Boots
Arcane Echomalefaction
When the wearer inflicts a condition upon a hostile creature, they also inflict 2 turns of Reverberation Reverberation.[See: Bugs]
1
Braindrain Gloves Gloves Gloves
Mental Interference
When you deal Damage TypesPsychic damage, you also inflict Mental Fatigue Mental Fatigue for 2 turns.
2
Duke Ravengard's Longsword Main Hand Melee Main Hand Melee Charisma Charisma +2 3
Gloves of Baneful Striking Gloves Gloves
Baneful Strike
Whenever you deal damage with a weapon attack, the target receives a D4 Physical.png -1d4 penalty to its Saving throw against your next spell.
1
Gloves of Belligerent Skies Gloves Gloves
Thunderous Conversion
When the wearer deals Damage TypesThunder, Damage TypesLightning, or Damage TypesRadiant damage, inflict 2 turns of Reverberation Reverberation upon the target(s).
1
Hollow's Staff Main Hand Melee Main Hand Melee
Heightened Necromancy
Creatures have Disadvantage Icon.png Disadvantage on Saving throws against your necromancy spells.
3
Khalid's Gift Amulet Amulet Wisdom Wisdom +1 (up to 21) 3
Ring of Mental Inhibition Ring Ring
Mental Inhibition
When a foe fails a Saving throw against one of your spells or actions, they gain Mental Fatigue Mental Fatigue for 2 turns.
2
Ring of Spiteful Thunder Ring Ring
Spiteful Thunder
When the wearer deals Damage TypesThunder damage to a Reverberating Reverberating creature, it becomes Dazed Dazed unless it succeeds a Constitution saving throw.
2
Spineshudder Amulet Amulet Amulet
Crackling Resonance
When the wearer deals damage with a ranged Spell Attack, inflict 2 turns of Reverberation Reverberation on the target(s).
2
Staff of Cherished Necromancy Main Hand Melee Main Hand Melee
Heightened Necromancy
Creatures have Disadvantage Icon.png Disadvantage on Saving throws against your necromancy spells.
3