Identify spell effect step by step - little trouble


Rules Questions


Hello.
Can you help me with understanding next situation?

One of players became target of the spell. He see fact of casting, another players see visible resultate of spell (spell have ongoing effect and may be in simple and greater version).
But
- player-target haven't make Spellcraft check when see that enemy cast spell;
- another players don't say player what resultate of spell they see.

Now (1-2 hours later after spellcasting on player) in game we have a "fight" with player-target of spell.

1) his opinion that he can or just make check Knowledge (arcana) or cast Detect magic on himself and then make check Knowledge (arcana) to know what spell and what version of spell is it.
2) my opinion next (I may be wrong in some moments or absolutely wrong)
- he don't make Spellcraft in moment when clearly see the spellcasting, so moment gone and he can't make this check postfactum;
- as spell have a ongoing effect it have an aura, so somebody can first try to "know" about fact of this effect
- spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself. But somebody else can cast Detect magic (3 rounds) on personage-target, then that "somebody" check Knowledge (arcana) to know what school have this ongoing effect then check Knowledge (arcana) to Identify a spell effect that is in place.
- even in case wben somebody have a good check Knowledge resultat he don't know about level of that spell only by Knowledge check.

Hope for help in understanding who is right in this situation...


Read rules once more and have update to my opinion:
- spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself. But somebody else can cast Detect magic (3 rounds) on personage-target, then that "somebody" check Knowledge (arcana) to know what school have this ongoing effect then MAYBE check Knowledge (arcana) to Identify a spell effect that is in place.
I edit first version to variance whith MAYBE last check cause read opinion that check Knowledge (arcana) based on Detect magic made possible to identify info only by Aura (RAW identify info about only school of magic for effect)...

Liberty's Edge

Koraxs wrote:


- spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.

Why?

I can see about half of my body, so I would say that I have LoS to it.


1 person marked this as a favorite.

Simple breakdown of how detect magic works.

1) round 1 they can see magic auras but that is all. They have not had time to count them, nor have they had time to identify anything about them.
2) round 2 they have had time to count the auras and can distinguish each individual aura in an area.
3) round 3 they can roughly tell how strong each aura is.
Note: aura strength is based on effective spell level if it is a spell or caster level if it originated from an item. This does mean that spells cast from items use the items caster level.
4) they may now attempt to learn about the auras one per round with knowledge arcana checks. This check will ONLY tell them the school of magic.
5) IF they identify the spell school of an aura they can continue to identify the properties of a magic item.
Note: detect magic does NOT allow you to identify a spell effect only it’s aura.

You CAN however use your knowledge of the magic aura in conjunction with any knowledge you have of the spell effect to follow up with your own spellcraft check to try and identify the spell. But this is NOT an effect of detect magic, rather it is simply an application of the Spellcraft skill.

As to if you can use detect magic to see auras on yourself or not… that is an ambiguous grey area. On one hand, you very much are capable of visually examining yourself and as such should be able to see auras on your own person. On the otherhand, nothing in the rules state that a magic aura must encompass an entire entity or object, therefore an aura could potentially only encompass a part of your body that you are physically incapable of looking at (such as your head), and as such should not be able to be seen… Additionally it might not make sense in a setting for you to see your own auras, or auras on yourself… as the DM it is your judgment call as to if a player can or cannot see auras on themself. If players disagree politely remind them that as DM you are the final arbiter of any rules disputes, and you have ruled on this matter.


Diego Rossi wrote:
Koraxs wrote:


- spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.

Why?

I can see about half of my body,
so I would say that I have LoS to it.

In our case visible effect of the spell is on the face of the player-target.

My opinion He can't use Detect magic cause he haven't line of sight on his own face (see line of sight/line of effect description).


Chell Raighn wrote:

Simple breakdown of how detect magic works.

1) round 1 they can see magic auras but that is all. They have not had time to count them, nor have they had time to identify anything about them.
2) round 2 they have had time to count the auras and can distinguish each individual aura in an area.
3) round 3 they can roughly tell how strong each aura is.
Note: aura strength is based on effective spell level if it is a spell or caster level if it originated from an item. This does mean that spells cast from items use the items caster level.
4) they may now attempt to learn about the auras one per round with knowledge arcana checks. This check will ONLY tell them the school of magic.
5) IF they identify the spell school of an aura they can continue to identify the properties of a magic item.
Note: detect magic does NOT allow you to identify a spell effect only it’s aura.

You CAN however use your knowledge of the magic aura in conjunction with any knowledge you have of the spell effect to follow up with your own spellcraft check to try and identify the spell. But this is NOT an effect of detect magic, rather it is simply an application of the Spellcraft skill.

As to if you can use detect magic to see auras on yourself or not… that is an ambiguous grey area. On one hand, you very much are capable of visually examining yourself and as such should be able to see auras on your own person. On the otherhand, nothing in the rules state that a magic aura must encompass an entire entity or object, therefore an aura could potentially only encompass a part of your body that you are physically incapable of looking at (such as your head), and as such should not be able to be seen… Additionally it might not make sense in a setting for you to see your own auras, or auras on yourself… as the DM it is your judgment call as to if a player can or cannot see auras on themself. If players disagree politely remind them that as DM you are the final arbiter of any rules disputes, and you have ruled on this matter.

Heh.

My teory about:
Detect magic-see aura-analize aura (step 3 know power and can make Knowledge check to learn school)-by power of aura can understand level of spell...
is very close to yours.
But...
1) I think that even after good check of Knowledge giving second chance to check Spellcraft it is...meh(((
2) How with all that we say and mine situation can combine with this variance of Knowledge (arcana) check
"Identify a spell effect that is in place"?

Liberty's Edge

Koraxs wrote:
Diego Rossi wrote:
Koraxs wrote:


- spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.

Why?

I can see about half of my body,
so I would say that I have LoS to it.

In our case visible effect of the spell is on the face of the player-target.

My opinion He can't use Detect magic cause he haven't line of sight on his own face (see line of sight/line of effect description).

What?

Can you point out where on the rules it says that a generic spell effect is limited to a single point of a creature's body?
Some spell work that way, Wizard mark as an example, but they are a minority, so a general statement like the one you made has no basis.

Liberty's Edge

Koraxs wrote:
1) I think that even after good check of Knowledge giving second chance to check Spellcraft it is...meh(((

You can't retry to use spellcraft to identify a spell after it has been cast, you use Knowledge Arcana:

Quote:


Identify a spell effect that is in place Arcana 20 + spell level
Identify a spell that just targeted you Arcana 25 + spell level

A different difficulty and a different skill. The second line covers the situation you depicted perfectly.


Diego Rossi wrote:
Koraxs wrote:
Diego Rossi wrote:
Koraxs wrote:


- spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.

Why?

I can see about half of my body,
so I would say that I have LoS to it.

In our case visible effect of the spell is on the face of the player-target.

My opinion He can't use Detect magic cause he haven't line of sight on his own face (see line of sight/line of effect description).

What?

Can you point out where on the rules it says that a generic spell effect is limited to a single point of a creature's body?
Some spell work that way, Wizard mark as an example, but they are a minority, so a general statement like the one you made has no basis.

1) Spell-Brand

Brand etches an indelible rune or mark of no more than 6 characters onto a creature, inflicting 1 point of damage. The mark may be placed on any exposed portion of the creature, typically the head or forearm...
In our case brand was placed on cheeks of personage-target.

2) Detect magic (3-rd round)
If the items or creatures bearing the auras are in line of sight, you can make Knowledge (arcana) skill checks to determine the school of magic involved in each. (Make one check per aura: DC 15 + spell level, or 15 + 1/2 caster level for a nonspell effect.)

So I see that so: personage-target haven't line of sight on his cheeks so he can't Knowledge (arcana) skill checks to determine the school of magic for spell that target his face/cheeks.


Diego Rossi wrote:
Koraxs wrote:
1) I think that even after good check of Knowledge giving second chance to check Spellcraft it is...meh(((

You can't retry to use spellcraft to identify a spell after it has been cast, you use Knowledge Arcana:

Quote:


Identify a spell effect that is in place Arcana 20 + spell level
Identify a spell that just targeted you Arcana 25 + spell level
A different difficulty and a different skill. The second line covers the situation you depicted perfectly.

I understood that the second line is more suitable.

But my opinion is next - that Knowledge check based on analyze.
If personage-target haven't line of sight on his cheeks he haven't information from Detect magic. As he haven't information from Detect magic he haven't reason to check Knowledge.

Liberty's Edge

DiegoRossi wrote:


Some spell work that way, Wizard mark as an example, but they are a minority, so a general statement like the one you made has no basis.

You have replied with a different specific spell example. My question was about you stating that as a general rule.

If the rule you want to argue is: "you can't use Detect Magic on a spell to which you have no LOS", there is no problem. But you said: "spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.", so the rule you are arguing is: "you don't have LOS to yourself."


Diego Rossi wrote:
DiegoRossi wrote:


Some spell work that way, Wizard mark as an example, but they are a minority, so a general statement like the one you made has no basis.

You have replied with a different specific spell example. My question was about you stating that as a general rule.

If the rule you want to argue is: "you can't use Detect Magic on a spell to which you have no LOS", there is no problem. But you said: "spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.", so the rule you are arguing is: "you don't have LOS to yourself."

Nope.

Read my first message - I give description of the spell. In last post I give quote for this spell which said where can placed effect of the spell.What different spells do you mean?
Part where you said about Detect magic and LoS is too hard to understood(

Liberty's Edge

Koraxs wrote:
Diego Rossi wrote:
DiegoRossi wrote:


Some spell work that way, Wizard mark as an example, but they are a minority, so a general statement like the one you made has no basis.

You have replied with a different specific spell example. My question was about you stating that as a general rule.

If the rule you want to argue is: "you can't use Detect Magic on a spell to which you have no LOS", there is no problem. But you said: "spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.", so the rule you are arguing is: "you don't have LOS to yourself."

Nope.

Read my first message - I give description of the spell. In last post I give quote for this spell which said where can placed effect of the spell.What different spells do you mean?
Part where you said about Detect magic and LoS is too hard to understood(
Koraxs wrote:
spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.

You didn't give a description of the spell in the first post. You argued that you hadn't LoS to yourself.

You added the description of the spell after my post.

You get replies on the basis of what you say, not of what is in your mind.

A person normally has LoS to himself. If the spell is in a specific point of the body that he can't see he hasn't LoS, but that applies to specific situations, it isn't a general rule.


Diego Rossi wrote:
Koraxs wrote:
Diego Rossi wrote:
DiegoRossi wrote:


Some spell work that way, Wizard mark as an example, but they are a minority, so a general statement like the one you made has no basis.

You have replied with a different specific spell example. My question was about you stating that as a general rule.

If the rule you want to argue is: "you can't use Detect Magic on a spell to which you have no LOS", there is no problem. But you said: "spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.", so the rule you are arguing is: "you don't have LOS to yourself."

Nope.

Read my first message - I give description of the spell. In last post I give quote for this spell which said where can placed effect of the spell.What different spells do you mean?
Part where you said about Detect magic and LoS is too hard to understood(
Koraxs wrote:
spell Detect magic must have line of sight so personage can't cast this spell by himself and on himself.

You didn't give a description of the spell in the first post. You argued that you hadn't LoS to yourself.

You added the description of the spell after my post.

You get replies on the basis of what you say, not of what is in your mind.

A person normally has LoS to himself. If the spell is in a specific point of the body that he can't see he hasn't LoS, but that applies to specific situations, it isn't a general rule.

It's a point - for me that was written in first post is clear as I've know where is mark.

So I was right and person haven't LoS on own face.
Thanks for pations and answer)


You're all wrong, it's not a matter of LoS/LoE.

Range 60 ft.

Area cone-shaped emanation

Cone, Cylinder, Line, or Sphere: Most spells that affect an area have a particular shape.

A cone-shaped spell shoots away from you in a quarter-circle in the direction you designate. It starts from any corner of your square and widens out as it goes. Most cones are either bursts or emanations (see above), and thus won't go around corners.

Detect magic is a 60-ft cone. You have to select 1 of your corners and aim away from yourself with it. Therefore you cannot use it upon yourself.*

* There are ways to do so, but for your standard medium sized creature, you normally cannot do so.


I don't believe this is correct:

Chell Raighn wrote:


5) IF they identify the spell school of an aura they can continue to identify the properties of a magic item.

The spell says:

"If the items or creatures bearing the auras are in line of sight, you can make Knowledge (arcana) skill checks to determine the school of magic involved in each. (Make one check per aura: DC 15 + spell level, or 15 + 1/2 caster level for a nonspell effect.) If the aura emanates from a magic item, you can attempt to identify its properties (see Spellcraft)."

There's nothing in the description that says identifying the properties of a magic item requires determining the aura school, they are two separate knowledge checks.

Liberty's Edge

Bacondale wrote:

I don't believe this is correct:

Chell Raighn wrote:


5) IF they identify the spell school of an aura they can continue to identify the properties of a magic item.

The spell says:

"If the items or creatures bearing the auras are in line of sight, you can make Knowledge (arcana) skill checks to determine the school of magic involved in each. (Make one check per aura: DC 15 + spell level, or 15 + 1/2 caster level for a nonspell effect.) If the aura emanates from a magic item, you can attempt to identify its properties (see Spellcraft)."

There's nothing in the description that says identifying the properties of a magic item requires determining the aura school, they are two separate knowledge checks.

CRB, Knowledge skill wrote:
Identify a spell effect that is in place Arcana 20 + spell level


Koraxs wrote:


It's a point - for me that was written in first post is clear as I've know where is mark.
So I was right and person haven't LoS on own face.
Thanks for pations and answer)

What if the player has a mirror?


willuwontu wrote:

You're all wrong, it's not a matter of LoS/LoE.

Range 60 ft.

Area cone-shaped emanation

Cone, Cylinder, Line, or Sphere: Most spells that affect an area have a particular shape.

A cone-shaped spell shoots away from you in a quarter-circle in the direction you designate. It starts from any corner of your square and widens out as it goes. Most cones are either bursts or emanations (see above), and thus won't go around corners.

Detect magic is a 60-ft cone. You have to select 1 of your corners and aim away from yourself with it. Therefore you cannot use it upon yourself.*

* There are ways to do so, but for your standard medium sized creature, you normally cannot do so.

So if I am wearing a ring on my finger, and in that same hand I am holding a magic item. If I cast Detect Magic would I:

1) Be able to determine if the ring on my finger is magical?
2) Be able to determine if the item I'm holding in my hand is magical?

If I cast burning hands, and there is a tiny creature sharing my space, can I include the tiny creature in the effect of the burning hands spell?

Liberty's Edge

Cones generally are burst or emanations, so they don't turn around obstacles. If you aim a cone for a corner of a square toward yourself it meets an obstacle, you. That will give cover and possibly total cover to anything beyond your square in the cone.
I suppose the description of the cones was written that way as generally not affecting anything behind the first square isn't an intended result, not because you can't aim the cone toward yourself.

Even if we disregard my opinion, a character's unarmed reach extends in the adjacent square, so legs, arms, shoulders, and any other part of the body that can potentially make an unarmed attack there can be extended there while you use Detect Magic and examinated.

Liberty's Edge

bbangerter wrote:
If I cast burning hands, and there is a tiny creature sharing my space, can I include the tiny creature in the effect of the burning hands spell?

I would allow it, but you would be burning yourself, too.


Diego Rossi wrote:
bbangerter wrote:
If I cast burning hands, and there is a tiny creature sharing my space, can I include the tiny creature in the effect of the burning hands spell?
I would allow it, but you would be burning yourself, too.

I would also allow it, but without burning yourself. But I would further expand on that, I'd actually subdivide the 5' square into 2.5 x 2.5 squares, and determine which sub square the tiny creature was in. And from there that would determine which direction your cone was pointing - which may or may not be the way you want it to point for other purposes.

Mostly I just wanted to illustrate that while we can certainly read the rules, and apply a very hard line about what is/isn't allowed. But really we should be applying a rational approach to the application of the rules for these kind of edge cases. Needing to cast detect magic on yourself is certainly an edge case.

Liberty's Edge

bbangerter wrote:
Diego Rossi wrote:
bbangerter wrote:
If I cast burning hands, and there is a tiny creature sharing my space, can I include the tiny creature in the effect of the burning hands spell?
I would allow it, but you would be burning yourself, too.

I would also allow it, but without burning yourself. But I would further expand on that, I'd actually subdivide the 5' square into 2.5 x 2.5 squares, and determine which sub square the tiny creature was in. And from there that would determine which direction your cone was pointing - which may or may not be the way you want it to point for other purposes.

Mostly I just wanted to illustrate that while we can certainly read the rules, and apply a very hard line about what is/isn't allowed. But really we should be applying a rational approach to the application of the rules for these kind of edge cases. Needing to cast detect magic on yourself is certainly an edge case.

I would have the caster burn himself because we are speaking of 6 seconds round and targets that are moving. Essentially you are using one of those "flamethrowers" that construction workers use to fix the bitumen insulating sheath on roofs to aim against someone attacking your feet.

I could allow some kind of check (generally spellcraft) to better aim the spell and avoid damage, but it will not be automatic.


bbangerter wrote:

So if I am wearing a ring on my finger, and in that same hand I am holding a magic item. If I cast Detect Magic would I:

1) Be able to determine if the ring on my finger is magical?
2) Be able to determine if the item I'm holding in my hand is magical?

If I cast burning hands, and there is a tiny creature sharing my space, can I include the tiny creature in the effect of the burning hands spell?

1. No, because it's within your square, and cones are emanated outwards from a corner of the square.

2. No, see above.

3. No, see above.


willuwontu wrote:
bbangerter wrote:

So if I am wearing a ring on my finger, and in that same hand I am holding a magic item. If I cast Detect Magic would I:

1) Be able to determine if the ring on my finger is magical?
2) Be able to determine if the item I'm holding in my hand is magical?

If I cast burning hands, and there is a tiny creature sharing my space, can I include the tiny creature in the effect of the burning hands spell?

1. No, because it's within your square, and cones are emanated outwards from a corner of the square.

2. No, see above.

3. No, see above.

Spellcraft, Identifying the properties of a magic item wrote:


Attempting to ascertain the properties of a magic item takes 3 rounds per item to be identified and you must be able to thoroughly examine the object.

Retry? When using detect magic or identify to learn the properties of magic items, you can only attempt to ascertain the properties of an individual item once per day. Additional attempts reveal the same results

For a typical small magic item, how do you thoroughly examine a magic item if you can't flip it over in your hands? Do you carry a small table around with you everywhere so you can't put it on display like in a museum, walk all around it, examine it from every angle - from 5' away?


bbangerter wrote:
Spellcraft, Identifying the properties of a magic item wrote:


Attempting to ascertain the properties of a magic item takes 3 rounds per item to be identified and you must be able to thoroughly examine the object.

Retry? When using detect magic or identify to learn the properties of magic items, you can only attempt to ascertain the properties of an individual item once per day. Additional attempts reveal the same results

For a typical small magic item, how do you thoroughly examine a magic item if you can't flip it over in your hands? Do you carry a small table around with you everywhere so you can't put it on display like in a museum, walk all around it, examine it from every angle - from 5' away?

Do you cut it apart? Dismantle it to figure out how it's put together? If not, then are you really thoroughly examining it? If so, are you damaging the object while examining it?

As written, you cannot cast detect magic on the same square you're in as a medium-sized creature and have to examine the item in the next square over. How you do so, I don't really care.


willuwontu wrote:
bbangerter wrote:
Spellcraft, Identifying the properties of a magic item wrote:


Attempting to ascertain the properties of a magic item takes 3 rounds per item to be identified and you must be able to thoroughly examine the object.

Retry? When using detect magic or identify to learn the properties of magic items, you can only attempt to ascertain the properties of an individual item once per day. Additional attempts reveal the same results

For a typical small magic item, how do you thoroughly examine a magic item if you can't flip it over in your hands? Do you carry a small table around with you everywhere so you can't put it on display like in a museum, walk all around it, examine it from every angle - from 5' away?

Do you cut it apart? Dismantle it to figure out how it's put together? If not, then are you really thoroughly examining it? If so, are you damaging the object while examining it?

As written, you cannot cast detect magic on the same square you're in as a medium-sized creature and have to examine the item in the next square over. How you do so, I don't really care.

Oh, I agree with you, that a pedantic reading of the rules, it must be 5' away. I expect no one would actually play that way if the issue ever came up. Thus it is not a rational application of the rules.

Sorry paladins. Creatures must be at least 5 feet away for you to determine if its evil or not. If the tiny creature is in your space, drinking your blood, you can't determine its evil.

Superman can't look through lead - or anything that is closer than 5' to his face.

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