Non-detection spell: What does it do?
Alonso
Member Posts: 806
The description of this spell is wrong. However, there is very little information about it online, and the little there is, is quite contradictory. The best I've found is the page about the spell in the wiki, but the wiki tends to be quite unreliable. Can anybody confirm what the spell actually does?
To avoid confusion I want to emphasize that, as the title and this first post say, this thread is about the Non-detection SPELL. It is NOT about the Non-detection cloak. Information about the cloak is welcome, of course, but is not the main topic of the thread.
To avoid confusion I want to emphasize that, as the title and this first post say, this thread is about the Non-detection SPELL. It is NOT about the Non-detection cloak. Information about the cloak is welcome, of course, but is not the main topic of the thread.
Post edited by Alonso on
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Comments
Practical answer: Makes the target immune to some forms of invisibility dispelling:
Invisibility Purge
Detect Invisibility
Glitterdust
Oracle (only if invisibility is non-illusion type)
True Sight (only if invisibility is non-illusion type)
Note that for the above two, I don't know if there are sources of invisibility that aren't classified as "illusion".
1. Does hide in shadows + nondetection protect from those spells or subset thereof
2. Does sanctuary + nondetection protect from those spells or subset thereof
3. Does any of the invisibility spells (mage or priest) + nondetection project from those spells or subset thereof
4. Does invisibility potion + nondetection protect from those spells or subset thereof
5. Does invisibility from item (such as a certain staff) protect from those spells or subset thereof
1. Yes, if using the Cloak of Non-detection (because the effect cannot be dispelled). No, if using the 3rd level mage spell (because Non-detection also gets removed by Detect Illusion/Oracle/True Sight).
2. Sanctuary ignores Detect Invisibility, Glitterdust, and Invisibility Purge so it has to be dispelled by Oracle or True Sight, which remove Non-detection as well, so no. With the Cloak on, it still won't work because Sanctuary counts as an illusionary protection, which Oracle and True Sight dispel.
3. Only against Detect Invisibility, Glitterdust, and Invisibility Purge
4. See #3
5. uhhh
2) Only Oracle & True Sight will dispel. (not a true "invisibility" spell + needs to be dispelled via school)
3) Only Oracle & True Sight will dispel. (needs to be dispelled via school)
4) See #3
5) Yes. (Staff of the Magi invisibility has a power level of 0)
Edit: @Flashburn has more experience than me, listen to him over me!
Edit2: This comment is a mess of edits; I'll stop editing it now.
@kjeron, I summon you!
Removing the Invisibility while Mislead is, as always, irrelevant - it's instantly reapplied as long as the clone exists.
Spell Non-Detection + any non-illusionary Invisibility (Hide in Shadows and similar) requires two casts/triggers of Oracle/Detect Illusion/True Sight.
i am not sure about it, but maybe the invisibility from the ring you can loot from the city gates lich fight gives a non illusionary invisibility that coupled witht he cloak can not be dispelled.
i don't have a save game suitable to test it now, can someone check the item file and confirm it?
not easy if the user is not a mage or a thief with uai, as afaik the only way to protect from divination attack spell types is SI illusion. and with that protection not detection becomes redundant for everything but glitterdust or a thief using detect illusions, things that happen only in few instances.
What you say is true. What I meant is that I added the "protection from spell type" opcode of 205 to the Cloak, protecting from spell type 5 of "divination attack" much like what Spell Immunity: Illusion does. In BG2EE what will happen is that enemy mages will sit there and cast True Sight repeatedly to no effect.
See above. It's non illusionary because it does not belong to the illusion school, nor does it have a type. I think, anyway.
The point about non-illusionary relates to the need for two spells (or two triggers of True Sight) to remove the effect. The first spell removes the non-detection (and any other illusionary effects as well), but if there is non-illusionary invisibility this won't be removed until the second spell.
It doesn't look like that quote answers my question, actually it doesn't even say anything about illusionary/non illusionary. Anyway, since finding an answer is becoming so difficult, I'll venture a guess: Do you mean that Hide in Shadows/Move Silently, the Staff of the Magi invisibility, and other on-equip invisibility are non illusionary; and every other kind of invisibility is illusionary?
I don't know about SotM, but generally yes - that's how ND works.
Though many effects that are one are also the other.
I. e., the target is immune.
I. e., the target is NOT immune.
(Non-Detection by cloak):
Oracle (only if invisibility is non-illusion type)
True Sight (only if invisibility is non-illusion type)
(Non-Detection by spell):
Oracle (two casts required)
True Sight (two applications required)
Non-detection is meant to be used in conjunction with some source of invisibility, like the Invisibility spell or the stealth ability of rogues. When the target of Non-detection becomes invisible, his invisibility cannot be dispelled by the spells Invisibility Purge, Detect Invisibility or Glitterdust (the blinding effect of Glitterdust still applies, though).
The spells Detect Illusion, Oracle, True Seeing and True Sight do remove Non-Detection. However, they do it in different ways depending on the source of the invisibility they try to remove: If the invisibility is natural, is obtained by wearing an item, or is obtained by using rogue stealth; it takes two invisibility dispellings to remove it. The first dispelling removes Non-detection, but the creature remains invisible. Only the second dispelling removes the invisibility itself. With other types of invisibility, Detect Illusion, Oracle, True Seeing and True Sight dispel both Non-detecion and the invisibility at the same time.
Is that correct?
To avoid confusion I'd like to repeat that this is a description of the SPELL, not of the cloak.
this is why the combo not detection (by cloak) and invisibility (non illusionary type like the hide in shadows of a thief) makes a toon completely immune to spells that reveal illusions.
note that creatures that can naturally see trough invisibility can see (and target) an invisible person so even that combo does not work with them.
i am not sure of how not detection, by spells and by items, interacts with the thief skill that reveals illusions, does not detection works to stop the effect of that skill? (i assume it does not, but i am not sure about it).