Intelligence
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Memory and mental power.
Intelligence affects your Arcana, History, Investigation, Nature, and Religion skills. It also improves spellcasting for wizards, fighters (especially valuable for Eldritch Knights), and rogues (especially valuable for Arcane Tricksters), by increasing the chance of hitting an enemy with spell attack rolls, due to the increased Difficulty Class of spells with saving throws.
Intelligence modifier chart
Baldur's Gate 3 uses the Point Buy ruleset.
| Ability score | Modifier value | Ability score | Modifier value | |
|---|---|---|---|---|
| 1 | -5 | 16-17 | +3 | |
| 2-3 | -4 | 18-19 | +4 | |
| 4-5 | -3 | 20-21 | +5 | |
| 6-7 | -2 | 22-23 | +6 | |
| 8-9 | -1 | 24-25 | +7 | |
| 10-11 | +0 | 26-27 | +8 | |
| 12-13 | +1 | 28-29 | +9 | |
| 14-15 | +2 | 30 | +10 |
Related items
Change Intelligence score
Sets Intelligence
Warped Headband of Intellect sets Intelligence to 17
Increases Intelligence
The following sources permanently increase a character's Intelligence score:
Auntie Ethel's Hair permanently increases Intelligence by +1- The Mirror of Loss permanently increases Intelligence by +2 (up to 24)
Decreases Intelligence
Harmonium Halberd reduces Intelligence by -1
Devilfoil Mask reduces Intelligence by -1 per nearby creature also wearing a mask
Saving throws
+1 to saving throws
Advantage
Aberration Hunters' Amulet, only for githyanki
Fey Semblance Amulet
Silver Sword of the Astral Plane only for githyanki
Other
The Pointy Hat, grants a bonus to Persuasion ability checks, equal to your Intelligence modifier