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Helmet of Arcane Acuity

Helmet of Arcane Acuity
Battle Acuity: Whenever you deal damage with a weapon attack, you gain Arcane Acuity for 2 turns.

Dexterity Saving Throws +1

Subtle magics are woven into the helmet's leather panes - for a powerful offence is sometimes still the best defence.
Light Armour

Location - Helmet of Arcane Acuity

Act 2. The helmet is located in Reithwin Town, Masons Guild Basement:

helmet of arcane acuity location reithwin town bg3

You will find a trapdoor at the far end of the building.

trap door masons guild bg3

You can also use an elevator on the outside of the building. Once inside, search around the room, as you will get a Perception check, this will reveal Keyhold Herald, which you can either lockpick or use a Tower-Shaped Key. The key can be found in Last Light Inn, purchased from Mattis, or looted from a bag in the inn if he died.

keyholed herald masons guild basement bg3

The helmet can be looted from a chest in the main room. There will be a combat encounter with some shades.


This helmet is almost mandatory to get. It is one of the main items for Gish or Spellsowrd type builds, together with the Band of the Mystic Scoundrel. This allows to increase Arcane Acuity, via normal attacks, which then boosts spell success chance, covering the problems of low Spell Save DC.