70 votes
Accepted

Does a barbarian's rage end if they attack an illusion of a creature?

RAW, yes. An illusion is not a creature. The rule is clear that Bobby must attack a hostile creature, or take damage, to maintain his rage. Spirit of the Rule If Bobby does not know that what he is ...
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  • 9,900
49 votes

How can I curtail abuse of the Illusion wizard's Illusory Reality feature?

When you cast an illusion spell of 1st level or higher, you can choose one inanimate, nonmagical object that is part of the illusion and make that object real. You can do this on your turn as a bonus ...
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48 votes
Accepted

How to handle a warlock with the detect magic invocation?

Eldritch Sight (PHB 110) allows you cast detect magic without expending a spell slot An illusion is magic, so they will detect its presence automatically within 30', and will also be able to use ...
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  • 5,169
45 votes
Accepted

Can an illusion give a player partial cover?

No, but it can provide obscurement. Cover requires a solid object. Examples from the definition: Walls, trees, creatures, and other obstacles can provide cover during combat, making a target more ...
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  • 21.2k
43 votes
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Can you create an illusion of empty space?

It is not possible with minor illusion, as with that You create a sound or an image of an object (PHB 260) and neither vacuum, nor air is usually considered an object. (There are discussions about ...
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  • 60.1k
41 votes
Accepted

Would forcing armour on a wizard using an illusion spell and Illusory Reality 'harm' them?

RAW this should be fine Given that, as you say, the illusion of armour, then the armour being made real, do not 'harm' the enemy, then there's no reason why this would contradict the emboldened part ...
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  • 76.9k
40 votes
Accepted

How can I alter the appearance of my face at will without using a spell slot?

The Thaumaturgy cantrip allows you to alter the appearance of your eyes, though not your entire face. One of the effects of Thaumaturgy is to alter the appearance of your eyes for 1 minute. You can ...
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  • 10.9k
38 votes
Accepted

Can you use Silent Image and Illusory Reality to create a real tarrasque?

From your question I get that player in question used Illusory Reality to make illusionary tarrasque real. However it is impossible by RAW: When you cast an illusion spell of 1st level or higher, ...
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35 votes

If an Illusion wizard casts Phantasmal Force on themselves, can they use the Illusory Reality feature to make things only they can see real?

It won't work, because the character believes it's already real The text of the spell states, (emphasis added) While a target is affected by the spell, the target treats the phantasm as if it were ...
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  • 62.4k
35 votes
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Is there an item or spell to see through the Disguise Self spell?

There are several methods for defeating illusions such as Disguise Self. Outside of the two methods listed in the spell (succeeding an Investigation check and physical interaction), any creature with ...
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  • 1,186
35 votes
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Can an Illusion wizard make invisibility "real"?

No. Illusory Reality says (PHB, pg. 118): you can choose one inanimate, nonmagical object that is part of the illusion and make that object real. A creature is not inanimate, and invisibility is not ...
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34 votes
Accepted

Does Mirror Image affect spells that have no attack roll?

Mirror image only affects attacks, and blight and magic missile aren't attacks. Mirror Image (PHB p.260): Three illusory duplicates of yourself appear in your space. Until the spell ends, the ...
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  • 26.4k
33 votes
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Can Major Image and forced perspective make illusions appear larger?

Disclaimer: I have no experience with this in a gaming context, but I do work in a visualization research lab that gives me some insight into what this entails. Binocular (i.e., two-eyed) perspective ...
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  • 36.6k
32 votes
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Is passive Investigation essentially truesight against illusions?

No Consider this text from the Major Image spell: Physical interaction with the image reveals it to be an illusion, because things can pass through it. A creature that uses its action to examine the ...
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  • 24.2k
31 votes

How would something passing through an illusion of fog or mist reveal it to be illusory?

Fog Isn't An Object As has been stated elsewhere, gasses and liquids are not considered objects. So fog would not be a valid image created by Minor Illusion. There could be some edge cases where ...
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31 votes

How can I curtail abuse of the Illusion wizard's Illusory Reality feature?

Your specific descriptions of the Wizard's use of Illusory Reality is not supported by RAW By 14th level, you have learned the secret of weaving shadow magic into your illusions to give them a ...
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  • 50.5k
29 votes

Can you use Minor Illusion to create an illusion of a working mirror, i.e. with reflection?

Yes, because physics. The simple fact that you can see an illusion means it reflects light, whether it is the illusion of a mirror or not [edit: see below]. Note that this does not violate the ...
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29 votes
Accepted

Can Mirror Image still work on someone already grappling the caster?

To quote a section of Mirror Image: A creature is unaffected by this spell if ... it relies on senses other than sight In your situation the "grapple" to me (if done prior to the casting of Mirror ...
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  • 6,811
29 votes
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"Tele-fragging" with Illusory Reality

Officially, it's entirely up to the DM. The rule only says that it cannot harm anyone. It doesn't specify how to rule it, and there are no general rules covering this case. In cases where there is no ...
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28 votes

Can Phantasmal Force Heal A Target?

No, it can't heal the target. The damage dealt by a phantasmal force illusion is psychic; the target only perceives that it is a type appropriate to the illusion. The target's mind is what's harmed. ...
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  • 3,444
27 votes
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According to RAW what happens to an illusion when it is identified?

The source of the illusion will tell you if its appearance changes when detected. The player is probably recalling one of these lines from minor illusion, silent image, major image, or project image: ...
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26 votes
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Can detect magic reveal illusions?

By strict RAW, you can sense the presence of illusions of all kinds, but you can't actually see exactly where they are, or that they are illusions rather than just some kind of magic in your vicinity. ...
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  • 141k
26 votes
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Can I change appearance multiple times with one casting of Disguise Self?

No. The change only happens once: Upon casting. You make yourself - including your clothing, armor, weapons, and other belongings on your person - look different until the spell ends or until you use ...
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25 votes

Are illusions automatically revealed if someone knows I am an illusionist?

Definitely not. Merely knowing that someone is an illusionist does not reveal their illusions. Players and NPCs might become suspicious and doubtful if they discover that an illusionist is around, ...
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  • 62.4k
25 votes
Accepted

Will the illusion of a creature, of a given type, trigger a spell contingent upon the creature type?

Magic Mouth should trigger, but not Alarm As always: many things are ultimately up to the DM, but the term "visual or audible conditions" in Magic Mouth implies only a visual/audible 'sensor'. ...
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25 votes
Accepted

Can I have two castings of minor illusion active at the same time?

One character can't have more than one casting of minor illusion active at a time. From the description of the minor illusion spell: You create a sound or an image of an object within range that ...
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  • 47.7k
25 votes
Accepted

What Illusion spell would allow me to trick two enemies into fighting each other?

Try casting seeming on everyone in the room Seeming seems to be the spell you're looking for: This spell allows you to change the appearance of any number of creatures that you can see within range. ...
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24 votes
Accepted

Can Minor Illusion look like a creature, or look like me?

Given that Silent Image is a first-level spell, I wouldn't think you could do anything with the Minor Illusion cantrip that would duplicate the effect of the higher-level spell. Silent Image ...
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  • 1,822
24 votes

How to handle a warlock with the detect magic invocation?

Do I have to tell them it's illusion magic? Yes. Your warlock has cast detect magic, so they can see auras--when they use their action to do so!--and learn schools.1 Anything less would be like ...
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  • 98.6k

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