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Can I create an upright 7-foot × 5-foot wall with the Minor Illusion spell?

Can I use Minor Illusion to create a wall, hide behind it, and attack with advantage?How does orienting a cube-shaped spell work in three-dimensional space?Can I use Minor Illusion to create a wall, hide behind it, and attack with advantage?When Silent Image Is Disbelieved, Is It Transparent?Is there a mistake in the shadow illusions example?In the Spell “Guards and Wards” is there a size limit on the doors that can be affected as per the limitations on Minor Illusions?What is the correct Minor Illusion “image of an object” size interpretation?Can a “real” illusion be seen through?How would something passing through an illusion of fog or mist reveal it to be illusory?Does the Major Image spell allow the caster to fill the 20 ft cube with as many “body doubles” as he/she sees fit?If one is sure that he is perceiving an illusion, having not interacted with or investigated it, can he see, hear, etc. through it?Do sounds created by Minor Illusion have to have a single fixed origin point?

21

$begingroup$

The Minor Illusion spell description states:

If you create an image of an object—such as a chair, muddy footprints, or a small chest—it must be no larger than a 5-foot cube. The image can’t create sound, light, smell, or any other sensory effect. Physical interaction with the image reveals it to be an illusion, because things can pass through it.

(emphasis mine). My question is how to interpret this cube. If we rotate the cube vertically so that it looks like a diamond from the side (the cube in red in the drawing), i.e. the diagonal of the cube is vertical, then a 7ft by 5ft wall would certainly fit, since the diagonal (the blue line) is about 7ft long:

Much better drawing thanks to @Sdjz:

Is this "layout" of a cube valid for the Minor Illusion spell?

Note that this could potentially change the argument of the answer to "Can I use Minor Illusion to create a wall, hide behind it, and attack with advantage?".

Also related: How does orienting a cube-shaped spell work in three-dimensional space?

dnd-5e spells area-of-effect

share|improve this question

edited 41 mins ago

V2Blast

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asked 4 hours ago

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• 
  
  
  

  
  6
  

  
  
  
  
  
  

  
  $begingroup$
  I mean... I just like your drawing :) +1
  $endgroup$
  – David Coffron
  4 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  @Sdjz yeah, that's exactly what I attempted to draw :D I will include that, I think it will help people visualise it better than my "art".
  $endgroup$
  – Sebas
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  I really do love the drawing lol
  $endgroup$
  – Smart_TJ
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Welcome to RPG.SE! Take the tour if you haven't already, and check out the help center for more guidance.
  $endgroup$
  – V2Blast
  44 mins ago
  

  
  
  
  

add a comment | 

21

$begingroup$

The Minor Illusion spell description states:

If you create an image of an object—such as a chair, muddy footprints, or a small chest—it must be no larger than a 5-foot cube. The image can’t create sound, light, smell, or any other sensory effect. Physical interaction with the image reveals it to be an illusion, because things can pass through it.

(emphasis mine). My question is how to interpret this cube. If we rotate the cube vertically so that it looks like a diamond from the side (the cube in red in the drawing), i.e. the diagonal of the cube is vertical, then a 7ft by 5ft wall would certainly fit, since the diagonal (the blue line) is about 7ft long:

Much better drawing thanks to @Sdjz:

Is this "layout" of a cube valid for the Minor Illusion spell?

Note that this could potentially change the argument of the answer to "Can I use Minor Illusion to create a wall, hide behind it, and attack with advantage?".

Also related: How does orienting a cube-shaped spell work in three-dimensional space?

dnd-5e spells area-of-effect

share|improve this question

edited 41 mins ago

V2Blast

25.6k488158

asked 4 hours ago

SebasSebas

2065

New contributor

Sebas is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

• 
  
  
  

  
  6
  

  
  
  
  
  
  

  
  $begingroup$
  I mean... I just like your drawing :) +1
  $endgroup$
  – David Coffron
  4 hours ago
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  @Sdjz yeah, that's exactly what I attempted to draw :D I will include that, I think it will help people visualise it better than my "art".
  $endgroup$
  – Sebas
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  I really do love the drawing lol
  $endgroup$
  – Smart_TJ
  1 hour ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Welcome to RPG.SE! Take the tour if you haven't already, and check out the help center for more guidance.
  $endgroup$
  – V2Blast
  44 mins ago
  

  
  
  
  

add a comment | 

$begingroup$

The Minor Illusion spell description states:

If you create an image of an object—such as a chair, muddy footprints, or a small chest—it must be no larger than a 5-foot cube. The image can’t create sound, light, smell, or any other sensory effect. Physical interaction with the image reveals it to be an illusion, because things can pass through it.

(emphasis mine). My question is how to interpret this cube. If we rotate the cube vertically so that it looks like a diamond from the side (the cube in red in the drawing), i.e. the diagonal of the cube is vertical, then a 7ft by 5ft wall would certainly fit, since the diagonal (the blue line) is about 7ft long:

Much better drawing thanks to @Sdjz:

Is this "layout" of a cube valid for the Minor Illusion spell?

Note that this could potentially change the argument of the answer to "Can I use Minor Illusion to create a wall, hide behind it, and attack with advantage?".

Also related: How does orienting a cube-shaped spell work in three-dimensional space?

dnd-5e spells area-of-effect

share|improve this question

edited 41 mins ago

V2Blast

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asked 4 hours ago

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share|improve this question

edited 41 mins ago

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edited 41 mins ago

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edited 41 mins ago

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edited 41 mins ago

V2Blast

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asked 4 hours ago

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Yes, though a DM might not want to deal with abnormal spell positioning

In the Sage Advice compendium, a similar question was asked about the spell Cloud of Daggers:

Using 5-foot squares, does cloud of daggers affect a single square? Cloud of daggers (5 ft. cube) can affect more than one square on a grid, unless the DM says effects snap to the grid. There are many ways to position that cube.

While the Sage Advice article deals with a different spell, the matter is directly related to your question. To wit: "non-snapped" positioning of a spell's area of effect is legal, strictly speaking, though it might not fly with a DM who can house-rule otherwise.

share|improve this answer

edited 4 hours ago

answered 4 hours ago

RykaraRykara

4,532939

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0

$begingroup$

The answer is technically yes.

Due to the wording of the spell, if the object (illusion) that you want to create fits within the 5 ft cube, you can use the spell to create it. However, like all interpretations of the rules in D&D, the DM makes the final decision. Especially in this scenario, the DM might decide that the theoretical cube (the size requirement) must be placed flat on the ground or something like that. What I'm trying to say, is that even if the DM allows it, they might not let it work the way that you want.

Good question. I really love that you are using your math to find loopholes in the rules; I'll have to remember to do that myself in the future. Hope this helped!

share|improve this answer

edited 40 mins ago

V2Blast

25.6k488158

answered 2 hours ago

Smart_TJSmart_TJ

618

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Smart_TJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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17

$begingroup$

Yes, though a DM might not want to deal with abnormal spell positioning

In the Sage Advice compendium, a similar question was asked about the spell Cloud of Daggers:

Using 5-foot squares, does cloud of daggers affect a single square? Cloud of daggers (5 ft. cube) can affect more than one square on a grid, unless the DM says effects snap to the grid. There are many ways to position that cube.

While the Sage Advice article deals with a different spell, the matter is directly related to your question. To wit: "non-snapped" positioning of a spell's area of effect is legal, strictly speaking, though it might not fly with a DM who can house-rule otherwise.

share|improve this answer

edited 4 hours ago

answered 4 hours ago

RykaraRykara

4,532939

$endgroup$

add a comment | 

17

$begingroup$

Yes, though a DM might not want to deal with abnormal spell positioning

In the Sage Advice compendium, a similar question was asked about the spell Cloud of Daggers:

Using 5-foot squares, does cloud of daggers affect a single square? Cloud of daggers (5 ft. cube) can affect more than one square on a grid, unless the DM says effects snap to the grid. There are many ways to position that cube.

While the Sage Advice article deals with a different spell, the matter is directly related to your question. To wit: "non-snapped" positioning of a spell's area of effect is legal, strictly speaking, though it might not fly with a DM who can house-rule otherwise.

share|improve this answer

edited 4 hours ago

answered 4 hours ago

RykaraRykara

4,532939

$endgroup$

add a comment | 

$begingroup$

Yes, though a DM might not want to deal with abnormal spell positioning

In the Sage Advice compendium, a similar question was asked about the spell Cloud of Daggers:

Using 5-foot squares, does cloud of daggers affect a single square? Cloud of daggers (5 ft. cube) can affect more than one square on a grid, unless the DM says effects snap to the grid. There are many ways to position that cube.

While the Sage Advice article deals with a different spell, the matter is directly related to your question. To wit: "non-snapped" positioning of a spell's area of effect is legal, strictly speaking, though it might not fly with a DM who can house-rule otherwise.

share|improve this answer

edited 4 hours ago

answered 4 hours ago

RykaraRykara

4,532939

$endgroup$

share|improve this answer

edited 4 hours ago

answered 4 hours ago

RykaraRykara

4,532939

answered 4 hours ago

RykaraRykara

4,532939

answered 4 hours ago

RykaraRykara

4,532939

0

$begingroup$

The answer is technically yes.

Due to the wording of the spell, if the object (illusion) that you want to create fits within the 5 ft cube, you can use the spell to create it. However, like all interpretations of the rules in D&D, the DM makes the final decision. Especially in this scenario, the DM might decide that the theoretical cube (the size requirement) must be placed flat on the ground or something like that. What I'm trying to say, is that even if the DM allows it, they might not let it work the way that you want.

Good question. I really love that you are using your math to find loopholes in the rules; I'll have to remember to do that myself in the future. Hope this helped!

share|improve this answer

edited 40 mins ago

V2Blast

25.6k488158

answered 2 hours ago

Smart_TJSmart_TJ

618

New contributor

Smart_TJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

add a comment | 

0

$begingroup$

The answer is technically yes.

Due to the wording of the spell, if the object (illusion) that you want to create fits within the 5 ft cube, you can use the spell to create it. However, like all interpretations of the rules in D&D, the DM makes the final decision. Especially in this scenario, the DM might decide that the theoretical cube (the size requirement) must be placed flat on the ground or something like that. What I'm trying to say, is that even if the DM allows it, they might not let it work the way that you want.

Good question. I really love that you are using your math to find loopholes in the rules; I'll have to remember to do that myself in the future. Hope this helped!

share|improve this answer

edited 40 mins ago

V2Blast

25.6k488158

answered 2 hours ago

Smart_TJSmart_TJ

618

New contributor

Smart_TJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

add a comment | 

$begingroup$

The answer is technically yes.

Due to the wording of the spell, if the object (illusion) that you want to create fits within the 5 ft cube, you can use the spell to create it. However, like all interpretations of the rules in D&D, the DM makes the final decision. Especially in this scenario, the DM might decide that the theoretical cube (the size requirement) must be placed flat on the ground or something like that. What I'm trying to say, is that even if the DM allows it, they might not let it work the way that you want.

Good question. I really love that you are using your math to find loopholes in the rules; I'll have to remember to do that myself in the future. Hope this helped!

share|improve this answer

edited 40 mins ago

V2Blast

25.6k488158

answered 2 hours ago

Smart_TJSmart_TJ

618

New contributor

Smart_TJ is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

share|improve this answer

edited 40 mins ago

V2Blast

25.6k488158

answered 2 hours ago

Smart_TJSmart_TJ

618

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edited 40 mins ago

V2Blast

25.6k488158

edited 40 mins ago

V2Blast

25.6k488158

answered 2 hours ago

Smart_TJSmart_TJ

618

New contributor

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answered 2 hours ago

Smart_TJSmart_TJ

618