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Disambiguation icon This page is about detecting illusions via a spell. For the thief's or Dark Moon monk's ability to do this, see Detect Illusion (skill).

The Detect Illusion spell will remove all non-party Illusion spells of 3rd level and below.

Description[]

When cast at a point designated by the wizard, this spell will cancel all Illusion/Phantasm spells of 3rd level and lower in the area. Spells that are affected by this are Reflected Image, Invisibility, Mirror Image, and Non-Detection. It is important to note that the caster can control just who this spell affects. Therefore, it will affect only enemies of the caster. […] The target's Magic Resistance, if any, does not affect this spell.

Gameplay[]

The caster selects a point on the area of the map to aim this spell toward, using the targeting cursor to designate the center of the spell's area of effect.

The spell fires a projectile up to a 40' distance - the user will attempt to move into range if further way than that.

Once the spell is cast, the projectile rapidly launches and flies to the target point and affects all non-party creatures in the area of effect.

Any non-party illusions meeting the spell's definition that are present are cancelled/removed.

Illusions of the 4th level or greater aren't affected by this spell, for example Improved Invisibility, Shadow Door, Mislead, and Project Image etc.

Further, the caster might also end up cancelling spells on non-party creatures that were previously applied by the party, such as Spook or Deafness, so be careful about that.

List of cancelled spell and ability effects[]

Note: Party members are not affected.

Where to obtain its scroll[]

Baldur's Gate[]

The Black Pits[]

Baldur's Gate II: Shadows of Amn[]

Baldur's Gate II: Throne of Bhaal[]

The Black Pits II: Gladiators of Thay[]

Notes[]

  • The pen-and-paper variant of this spell differs from the games' version in so far as this would actually be a level 1 spell, affects the caster only unless others are touched (see bugs) and covers a 10×10 ft./level path (see also bugs).

Bugs[]

Shadows of Amn LOADCNTR00004 Icon SoABaldur's Gate II:
Shadows of Amn
(2000)
This icon indicates content from the original Baldur's Gate II: Shadows of Amn campaign.
Throne of Bhaal LOADCNTR00004 Icon ToBBaldur's Gate II:
Throne of Bhaal
(2001)
This icon indicates content from the original Baldur's Gate II: Throne of Bhaal campaign.
Although the original Baldur's Gate II description of the spell states a 20-ft. radius area of effect, it's actually 15 ft. The Enhanced Edition spell description is incorrect.

Mod content[]

Mods icon This section is about unofficial content that is only available via fan-made mods.

Spell Revisions mod has changed this arcane spell, revised its effects, and increased the spell's utility. See below for description:
Detect Illusion
Level: 3
School: Divination
Range: Long
Duration: Instant
Casting Time: 3
Area of Effect: 30’ radius
Saving Throw: None

When this spell is cast at a point designated by the wizard, an area roughly 30 feet in radius will be affected. All hostile illusion spells of 4th level and lower in this area will be dispelled. Magic resistance does not affect this spell.

The illusion spells dispelled by Detect Illusion are: Reflected Image, Blur, Invisibility, Mirror Image, Ghost Armor, Invisibility Sphere, and Improved Invisibility.

Note:SR's Non-Detection spell isn't removed by the Detect Illusion spell, and it actually protects against it. Other means are required to take down the Non-Detection spell. Also, the spell description corrects the actual area of effect for this spell's projectile.

Mod gallery[]

External links[]

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