D+1
First Post
For only being a 1st level spell this does seem to be overly problematic in 3.5. So, you generate several illusory duplicates which separate from you and which the spell says _remain_ in a cluster, each within 5 feet of either you or another image. Nobody can tell the difference between you and an image. The images can move through each other. While YOU are moving you can merge with and split off from the figment images of you so that enemies who may have chosen the real you to attack from amongst all the images can again be confounded.
First observation - what about attacks of opportunity on images that move from one square to another whether or not they move through each other? Also, attacks of opportunity on any image that performs an action that would otherwise draw an attack of opportunity, such as casting? If the REAL you casts a spell all of your illusory images do too, which means you and all your images draw attacks of opportunity, yes? If the real you moves within threatened areas you still draw AoO, yes? So what happens to the square you were standing in? Does the image that occupies the square you move into now move to occupy the square you just left? If it does, wouldn't it also draw AoO? If it doesn't draw AoO and you don't draw AoO - why not? Your enemies simply have to choose which one to attack with the AoO they'd get - and then get to make their normal attacks later. Or does Mirror Image grant you immunity from AoO?
Second observation - what happens if you move away from all your images? The images can move through each other but can they move to unoccupied spaces? What happens when one or more images are no longer within 5' of you or another image? For example, suppose you bring 8 mirror images into existence in a straight line, you occupying one square and then images 1 through 8. [Y12345678] If an enemy attacks and destroys image number 5 images number 6, 7 and 8 are not affected because they are still within 5' of another image. But what if image #7 is destroyed - what happens to image number 8? It is no longer within 5' of you or another image so does it vanish in a puff of logic immediately? Suppose on your turn you run off and take the place previously occupied by image #7. Can you thus reestablish adjacency with image #8 and prevent it from vanishing?
Suppose you have 7 images to your left and 1 to your right. [1234567Y8] If you move to the square occupied by image 1 does one of the images move to occupy position Y? Could ANY image move to occupy position Y where you were? If you leave postion Y for the square occupied by image #1 would that immediately leave image #8 non-adjacent to another image/you and thus destroy it? Or would image #8 be able to move to a square that is NOT occupied by another image - the one where you just were?
Suppose your enemy is a spellcaster who knows all about Mirror Image. He's even made a spellcraft check and knows that is the spell that you cast and which is now in effect. You start in this postion (Y=you, E=enemy, #=mirror images):
--2-
-1Y3
--E-
You move one square, directly to this position:
--2-
-1-3
-YE-
Does Enemy E, knowing that a mirror image figment cannot move to a square not occupied by another image, now KNOW which image is you and can attack you without having to choose randomly between images? If not, why not? Does he get an AoO against you as you move?
First observation - what about attacks of opportunity on images that move from one square to another whether or not they move through each other? Also, attacks of opportunity on any image that performs an action that would otherwise draw an attack of opportunity, such as casting? If the REAL you casts a spell all of your illusory images do too, which means you and all your images draw attacks of opportunity, yes? If the real you moves within threatened areas you still draw AoO, yes? So what happens to the square you were standing in? Does the image that occupies the square you move into now move to occupy the square you just left? If it does, wouldn't it also draw AoO? If it doesn't draw AoO and you don't draw AoO - why not? Your enemies simply have to choose which one to attack with the AoO they'd get - and then get to make their normal attacks later. Or does Mirror Image grant you immunity from AoO?
Second observation - what happens if you move away from all your images? The images can move through each other but can they move to unoccupied spaces? What happens when one or more images are no longer within 5' of you or another image? For example, suppose you bring 8 mirror images into existence in a straight line, you occupying one square and then images 1 through 8. [Y12345678] If an enemy attacks and destroys image number 5 images number 6, 7 and 8 are not affected because they are still within 5' of another image. But what if image #7 is destroyed - what happens to image number 8? It is no longer within 5' of you or another image so does it vanish in a puff of logic immediately? Suppose on your turn you run off and take the place previously occupied by image #7. Can you thus reestablish adjacency with image #8 and prevent it from vanishing?
Suppose you have 7 images to your left and 1 to your right. [1234567Y8] If you move to the square occupied by image 1 does one of the images move to occupy position Y? Could ANY image move to occupy position Y where you were? If you leave postion Y for the square occupied by image #1 would that immediately leave image #8 non-adjacent to another image/you and thus destroy it? Or would image #8 be able to move to a square that is NOT occupied by another image - the one where you just were?
Suppose your enemy is a spellcaster who knows all about Mirror Image. He's even made a spellcraft check and knows that is the spell that you cast and which is now in effect. You start in this postion (Y=you, E=enemy, #=mirror images):
--2-
-1Y3
--E-
You move one square, directly to this position:
--2-
-1-3
-YE-
Does Enemy E, knowing that a mirror image figment cannot move to a square not occupied by another image, now KNOW which image is you and can attack you without having to choose randomly between images? If not, why not? Does he get an AoO against you as you move?