Mirror Image + Displacement


Rules Questions

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Liberty's Edge

AerynTahlro wrote:
ryric wrote:
Personally, I'm not sure if the order matters, because IMO you have to roll to hit anyway to see if you miss by less than 5. Missing by less than 5 pops an image, regardless of why you miss, per the rules for mirror image.
ryric wrote:


In fact, to me if you would have hit the actual caster, but displacement causes you to miss, you now missed by less than 5 and an image pops. Missing by say, -3, is missing by less than 5.

So if you do concealment first, and concealment causes a miss, you still need to roll to hit because if you roll better than the target's AC-5, you pop an image.

What you've just described now adds a third possibility into the mix...


  • Concealment first. If your attack succeeds against the miss chance (20%/50%), compare attack roll to AC. If attack roll meets AC, roll to determine if image or real target. If attack roll doesn't meet AC but missed by 5 or less, destroy an image.
  • Mirror Images first. Compare attack roll to AC. If attack roll meets AC, roll to determine if image or real target. If roll indicates that the attack hits the real target, roll concealment. If attack roll doesn't meet AC but missed by 5 or less, destroy an image.
  • Displacement first, but even if displacement misses, compare attack roll versus real target's AC. If the miss is by 5 or less, destroy an image. Otherwise the attack is a full miss.

You should read the post more carefully. 5th post:

Diego Rossi wrote:


That has a curious corollary, if you miss by 5 or less blur don't trigger and a mirror image is destroyed.


Diego Rossi wrote:

Only if you assume that blur don't work on the images, and that is not a valid assumption. Displacement? Maybe it work on the images, maybe it don't, but blur surely work. your images are identical to you, with all the visual effects.

You are covered with glitterdust? The images share the effect.
You are blurred? The image are blurred
you have fire shield running and flames envelop you? Your images are enveloped in flames.

The images would have the visual effect of Blur, but would they have the mechanical effect of blur? If you had Fire Shield on, thus conferring the appearance of Fire Shield to the images, does anyone who strikes an image take damage as per Fire Shield? I would expect not. And while I understand that Fire Shield and Blur/Displacement are vastly different, the idea is still the same... spell effects should not confer to images.

Diego Rossi wrote:

You should read the post more carefully. 5th post:

Diego Rossi wrote:


That has a curious corollary, if you miss by 5 or less blur don't trigger and a mirror image is destroyed.

It would seem I lost the bottom half of my post and didn't realize it... there was supposed to be a quote of that.


It sounds like Aeryn and Diego are both making assumptions and that's why they can't agree. The basic argument is whether blur/displacement affects the images.

With blur, they definitely are affected. Blur isn't a magical miss chance that just happens to have a visual effect, it's an illusion, you miss because you can't tell where the thing you're supposed to be hitting is. The figments from mirror image look exactly like you so they're all blurred up. It doesn't matter which one you aim at you can't tell exactly where it is so you might miss because of that.

It doesn't matter which you roll first (blur or mirror image) because you'll be rolling both either way. That said, rolling blur is a little faster because 20% of the time you won't be making the second roll, where if you roll the mirror images first, you still have to roll the miss chance from blur every time. Also it just makes more sense the first way, how can you roll to see what you hit if you didn't hit anything?

With displacement, it's less clear, it could go either way, there is nothing physical for them to be displaced from so how could it affect them? on the other hand, mirror image is creating something which is destroyed if it's hit so whatever this is, the light entering your eyes could look as if it's coming from a few feet off of where it's actually coming from so your foe just swings at the wrong space.


In my opinion:

Mirror Image
- Lv. 2
- Duration: 1 min/lv. (a whole combat, until you run out of charges)
- Range: Personal (Only You)
- Miss Chance: 80%~50%, depending on the # of illusions. (Has Charges)
- Can be Targeted (has LoS)
- Provokes AoO (has LoS)
- Can receive Precision Damage

So Mirror Image works only on "you" and provides a Miss Chance ALOT better than Displacement or Invisibility, but it has charges, and you can still be targeted normaly by rogues sneak attacks.

Blur
- Lv. 2
- Duration: 1 min/lv. (a whole combat)
- Range: Touch (Others)
- Miss Chance: 20%
- Can be Targeted (has LoS)
- Provokes AoO (has LoS)
- Can't receive Precision Damage (Concealment)

Blur, also a 2nd level spell, provides a Miss Chance of only 20%, but it doesn't have charges and will last the whole combat, and you can still be targeted normaly but rogues can't sneak attack you, because you have concealment.

Invisibility
- Lv. 2
- Duration: 1 min/lv. (a whole combat, until you attack)
- Range: Touch (Others)
- Miss Chance: 50%
- Can't be Targeted (No LoS)
- Doesn't Provoke AoO (No LoS)
- Can't receive Precision Damage
- Enemies have to Pin-point your location to try to attack you.
- Conterred by Lv. 2 See Invisibility
- Has Charges, only 1

Invisibility, another 2nd level spell, provides total concealment, so it's protection is better than even Displacement with 50% Miss Chance and you don't even provoke AoO, but it will go away as soon as you attack.

Displacement
- Lv. 3
- Duration: 1 round/lv. (maybe won't last the whole combat)
- Range: Touch (Others)
- Miss Chance: 50%
- Can be Targeted (has LoS)
- Provokes AoO (has LoS)
- Can receive Precision Damage

Displacement probably works as if you had 1 Mirror Image next to you all the time, one that doesn't run out of charges, so until the spell ends, your enemies will chose between attacking you or your image, 50%, and unlike Invisibility, you can attack back. You still provoke AoO normaly and can be sneak attacked normaly.

Blink
- Lv. 3
- Duration: 1 round/lv. (maybe won't last the whole combat)
- Range: Personal (You)
- Miss Chance: 50% (or 20%)
- Can be Targeted (has LoS)
- Provokes AoO (has LoS)
- Can receive Precision Damage
- Your attacks have 20% Miss Chance

Blink transports you to the ethereal plane, so you're not concealed by an illusion, you are really not there, but when you do come back, enemies can see you just fine, so you still provoke AoO and can receive sneak attacks. If the enemy can see in the ethereal plane, then the Miss Chance is only 20%, and there are some other peculiarities...

Greater Invisibility
- Lv. 4
- Duration: 1 round/lv. (mayble won't last the whole combat)
- Range: Touch (Others)
- Miss Chance: 50%
- Can't be Targeted (No LoS)
- Doesn't Provoke AoO (No LoS)
- Can't receive Precision Damage
- Enemies have to Pin-point your location to try to attack you.
- Conterred by Lv.2 See Invisibility

A higher level spell, but provides a great Miss Chance, you don't provoke AoO and enemies may have alot of trouble to find you while you can attack for 7+ rounds.

Mirror Image + Blur
- Miss Chance: ??? (80%~50%) or (20%) or (20% then + 80%~50%)
- Can be Targeted (has LoS)
- Provoke AoO (has LoS)
- Can't receive Precision Damage (Concealment)

Kinda crazy, seeing Miss Chance should not stack (personaly, I think it should Cap at 50% for one source, as concealment, but that's just me). If it doesn't stack, it would be just like you only had Mirror Image On, until the charges run out, then switch to Blur. If they do stack, then all images would have their own Blur, so roll for Blur first, then use your Mirror Images.

Mirror Image + Displacement

If it doesn't stack, then use your Mirror Images until there's only 1 left, at which point that last one won't be discharged, until Displacement ends.

If it does stack, then I think it would be like if you had 1d4 + 2 images, 1 which doesn't get discharged if hit.

Mirror Image + Invisibility

Again, weird. If you are invisible, so are the images, and invisible ilusions do nothing for you.

Mirror Image + Blink
- Miss Chance: (80%~50%) + (50%)
- Can be Targeted (has LoS)
- Provoke AoO (has LoS)
- Can receive Precision Damage

HaHA! Miss Chance does't stack, but in this situation it would actually make sense. Roll for the Mirror Images normaly, and then roll again to see if you (and your images) are in the ethereal plane or not. Technically, by RAW, Mirror Images are not Miss Chance.

Invisibility + Blink
- Miss Chance: (50%) + (20%)
- Can't be Targeted (No LoS)
- Doesn't provoke AoO (No LoS)
- Can't receive Precision Damage (Concealment)

By RAW, these don't stack, because it's all Miss Chance, but it would make sense to stack too, to a total of 60% combined Miss Chance.(Part of the Miss Chance from Blink is already from Concealment, only 20% from the etherealness should stack with the 50% from the Concealment)

Mirror Image + Blur + Blink
- Miss Chance: (80%~20%) + (50%)
- Can be Targeted (has LoS)
- Provoke AoO (has LoS)
- Can't receive Precision Damage (Concealment)

You've got it all, the Mirror Images, the Concealment and the Etherealness. You can still be targeted and provoke AoO, but I see no way to keep the visible illusions and stay invisible among them. Eventually the enemy would figure it out to never strike the images, as they Pin-point you and you are never one of them.

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