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Stealth - the low down UPDATED!

clearstream

(He, Him)
Being hidden using Stealth gives you Combat Advantage and obscures your exact position, until you are spotted.

1. If you have Cover or Concealment from any source you can use Stealth provided your DM deems the given situation appropriate. Your DM will tell you if you can make a check. A power such as Fleeting Ghost or a skill such as Bluff that explicitly grants you a Stealth check should qualify as appropriate. Using Stealth from a diversion can let you get hidden without Cover or Concealment, but see 8. below. You will need some way to stay hidden after the end of your turn. You can use your allies for Cover against ranged enemies, but in all cases your DM decides if you have Cover using common sense.

2. Roll your initial check to get hidden against your enemies' passive Perceptions. They don't need to do anything or roll any dice: you need to roll equal or better to beat them. You can hide using any appropriate move or minor action, but whatever action you use, that whole action has to qualify for Stealth. At the end of each of your subsequent turns, and whenever you take an immediate or opportunity action, make a new check against your enemies' passive Perceptions. If there are lightly obscured squares between an enemy and the hider, apply a -5 penalty to that enemy's Perception. Note that dim-light doesn't obscure or count for Concealment against those forms of sight.

3. You are not hidden from any enemy whose passive Perception you fail to beat. Those enemies know what square you are in and can attack you; taking a -2 penalty for Cover, or a -2 penalty for Concealment if they are using a ranged or melee attack, or both (-4).

4. You are hidden from every enemy whose passive Perception you beat: they don't know what square you are in. If they are Alert, they can make active Perception checks in their turns using minor actions to find you. They need to roll equal or better than your Stealth to beat it; if they do they will discover what square you are in and can attack you as 3. above. Even if they haven't yet found you, they can pick a square based on whatever information they have and try to attack you; taking a -2 penalty for Cover, or a -5 penalty if they are using a ranged or melee attack, but not both. If they are not Alert, they can't try to find you until you take an action affecting your Stealth or something makes them Alert.

5. Stealth does not upgrade Cover to Superior Cover, or Concealment to Total Concealment. Don't stack those modifiers onto your other advantages. Stealth doesn't make you Invisible.

6. You have Combat Advantage against every enemy whose Perception has not beaten your Stealth check. You can have Combat Advantage this way against some enemies and not others. To attack with Combat Advantage you must be hidden first by using some other action. When you attack from hiding, your hidden condition does not end until after completing the entirety of your attack action. An attack action in this context includes only those things that happen within the action you used to make the attack, and not any effects that run beyond that action.

7. Once any enemy notices you, that enemy can share information. If they do, anyone capable of understanding that information is Alert and knows what direction you are in. They don't automatically gain a successful Perception check: you are still hidden against enemies who have not yet beaten your check. Knowing the right direction to look in can provide a favourable circumstances modifier of +2 on active Perception checks, or an unfavourable circumstances modifier of -2 on further Stealth checks.

8. If you lose Cover or Concealment against an enemy while you are hidden from them, they spot you (no check). You can lose Cover or Concealment against some enemies and not others, but you are no longer hidden against any enemy after you attack or shout (no check).

9. Suggested House Rule Remaining adjacent to an enemy you just attacked or who just successfully hit you with a melee attack automatically disqualifies a given situation from being appropriate. If you are not hidden now, you can't hide again without changing the situation. Gaining Superior Cover or Total Concealment should typically do that, even if you don't subsequently hide in that Superior Cover or with that Total Concealment, as should creating a diversion.

10. Suggested House Rule When an enemy shares information about a hider, if that enemy or a given recipient of their information is standing right next to the hider (i.e. adjacent), they can tell the exact square. Attackers who know only the direction pick 3 or 4 squares, using a d6 or a d10 respectively. One of the picked squares always includes the hider. They choose one square to be least likely (1), one fairly likely (2-3), one very likely (4-6), and one most likely (7-10), then roll.

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[sblock=1. Cover or Concealment]CSR 'On page 178 of the Players Handbook, the last paragraph on the left side of the page states "The DM tells you if a skill check is appropriate in a given situation or directs you to make a check if circumstances call for one." On Page 188 under the description of stealth, under the Cover or Concealment section it states "...You must have cover against or concealment from the creature to make a stealth check". These rules do not state that the player must be granted a stealth check. It is to the DM's discretion if they would like to allow a stealth check or not.'

Argument Given If A, possible B; then If A, always B = unproven. Having Cover and Concealment makes Stealth possible, but not inevitable.

CSR 'Question:
1) Since your allies provide you cover against enemy ranged attacks, can you make a opposed Stealth Check versus the Perception of enemies at range to become hidden from their view? (Per the FAQ and your previous CSR reply you'd then have combat advantage against those ranged enemies and they'd be -5 to attack you until they can spot you with a perception check.)

2) On a related question, let's say you're fighting an enemy that has a reach weapon like a polearm. Per p.280 Cover under Reach it says that you still have cover against that enemy if the intervening square between you and them provides cover. But then under Creatures and Cover it says that allies don't provide cover against melee attacks. So my question is, if there is an ally between you and an enemy with a reach weapon, does your ally provide cover against that enemy? And if so, can you use that cover to make a Stealth check to become temporarilly hidden from view relative to that enemy as per question 1) above?

Answer:
Thank you for writing.

1. Yes you can.

2. No, your ally does not provide cover against a melee reach attack.'

PHB183, PHB188, PHB280, PHB281, DMG43.[/sblock]
[sblock=2. Passive Perception]CSR. 'The DM can choose to use either active or passive perception checks to notice Stealth. Even if an active check fails, if passive would succeed the check succeeds. An active roll is just a chance to roll better.'

WotC_Mearls 'Make your Stealth checks against passive Perception, unless a critter uses a minor action to make another Stealth check.' Note: I make the assumption that the second 'Stealth' is a typo. The context suggests 'Perception' is intended.

Argument Regardless of readiness, enemies always get passive Perception against Stealth. Once they are alert, they can use minor actions to make active checks. WotC_Mearls generalised that. You can use standard actions to make active Perception checks: standard actions can be traded down for minor ones and there is no difference in function with regard to Stealth, so I left it at 'minor'.

PHB26, PHB186, PHB188, PHB281, DMG61, DMG67[/sblock]
[sblock=3. Not Hidden]CSR 'A PC in concealment) makes a Stealth check of 20 beating an enemy's passive Perception of 19. Now that they've beaten that enemy's passive Perception, does that enemy have to roll a 30 on an active check to know what square they are in, now that they come under the rules on PHB281?

If the PC had rolled a 19 instead, not beating that enemy's passive Perception, would that enemy have somehow really needed a 29 to know what square they are in? Or is a 19 good enough in this case? Does it change only on a failed initial roll?

and received

1. Correct. You we need to roll a 30 to know what square they were in.

2. If the player rolled a 19, and did not beat the enemy's passive perception, that enemy would know where the player is.<...>'

CSR 'Assume that a creature has cover or concealment, but not Total Concealment or Superior Cover. Assume that another creature makes a minor perception check against the hidden creature.

People have taken two interpretations of applying the "targeting what you can't see" sidebar on page 281.

Some apply only what is written directly in that sidebar, meaning the creature must beat the Stealth score by ten points to pinpoint the hidden creature's location, and even then get a -5 penalty to attack.
Others believe that the requirement to beat the Stealth check by ten points and the -5 penalty to attack even after a successful Stealth check is only in situations where the creature is both hidden and Totally Concealed (since both of these rules would be inferred from the rules for Stealth and Total Concealment, and the sidebar seems to assume that the hidden creature has Total Concealment). In that case that the creature is not Totally Concealed, only the Stealth check itself must be beaten, and, if beaten, the hidden creature is revealed and there is no penalty to attack it beyond whatever cover or concealment it has.

Can you shed some light on this? Specifically, if the hidden creature doesn't have Total Concealment, does one's active perception check have to beat a hidden creature's Stealth check by 10 points to pinpoint its location? And, if the Stealth check is beaten, is the creature still hidden and does the -5 penalty still apply?

On a related note, does the -5 penalty stack with cover and concealment penalties the creature would have even if it were not hidden?

Answer:

Thank you for contacting us. The Targeting What you Can't See side bar on page 281 only applies to creatures you physically can't see, either because the creature is invisible, your blinded, or your fighting in darkness you can't see through. If the creature is not invisible, and your vision is not impeded by blindness or impenetrable darkness, and it just has normal cover or normal concealment. You only have to beat the creatures stealth check itself. You would not have to beat the stealth check by 10. If you beat the stealth check, then you can see the creature and attack it. You would just be subject to the normal penalties to attack vs. Cover (-2) or Concealment (-2).

As per the description of penalties on page 275, Penalties add together unless they are from the same power. So if a creature had Cover (-2) and Concealment (-2) the total penalty to attack would be (-4).'

FAQ 'There are several benefits of being hidden from an enemy - you have combat advantage against them and they will have a more difficult time targeting you. Page 281 of the Player's Handbook explains the rules for targeting creatures you cannot see.'

Argument If your enemy couldn't see you irrespective of Stealth, you should be using the Targeting What You Can't See Rules. In the opening sentence those rules limit themselves to situations where blindness, invisibility, or total obscurement (darkness) applies. The FAQ is a guideline for what to do when something is hidden, but the explicit rules such as needing to beat a check by 10 are all tied to cases where something else is impeding primary senses.

Argument The CSRs are contradictory, but that may be an artifact of the framing of the questions. If the +10 rule did apply, since you know hiders_number beat your Perception+10 (passive) and you must now beat hiders_number+10 (active), you will only succeed in guessing exact location on a 20, or may have no chance to succeed. If you decide the TWYCS rules apply in full, Stealth is an At-Will power better than many Encounter powers, netting superb defensive benefits against ranged and melee attacks (-5 to hit any defence, missing automatically if the wrong square is targeted, with the right square found only on a natural 20, or unfindable), and your DM will need a fast method for picking random squares! All classes would always desire Stealth, either throwing it in untrained (many MM creatures have low Perception) or taking Ranger-Multiclass (Warrior of the Wild) to pick it up.

Argument The rules would then introduce cases where two or more numbers simultaneously apply to beat one Stealth check. Imagine two observers, one with 19pP and one with 20pP. Hider rolls 19. So now the 19pP owner needs 29 to spot hider, while the other observer spots hider with 20. We can rule out arguments from common sense at that point.

PHB188, PHB281.[/sblock]
[sblock=4. Hidden]CSR '...If you beat the stealth check, then you can see the creature and attack it. You would just be subject to the normal penalties to attack vs. Cover (-2) or Concealment (-2).

As per the description of penalties on page 275, Penalties add together unless they are from the same power. So if a creature had Cover (-2) and Concealment (-2) the total penalty to attack would be (-4).'

Argument The ruling proferred by the 'low down' takes us deep into RAI. We have to squint at the TWYCS rules a bit, but it works, just. If you beat Stealth the rules don't apply, including the -10, if you don't beat Stealth they do, but not those parts that only apply to targets you can't see for some other reason as well. With me so far? That guides us toward 'you don't know the square'.

Argument We then have to decide the penalty to hit a Rogue successfully hidden behind a corner in dim-light. The options are -2, -4, -5, -7 or -9. In the TWYCS block -5 is tied to Total Concealment. Per 5. we know Stealth does not upgrade Concealment to Total Concealment, and despite being asked directly, a more recent CSR does not confirm -5. However, the RAW for Total Concealment begins 'You can't see the target' which matches the 'hidden from view' condition described under Success for Stealth. Drawing on the TWYCS RAW we decide the hider must be concealed in their square: Stealth is taking supernal advantage of the protection of that square. It therefore feels right to go-ahead and use the -5. If Cover or Concealment were removed that -5 would typically disappear, so that -5 penalty is coming from whichever already applies, and therefore can't stack with itself! Cover protects against all forms of attack, so that's your baseline: if you have Cover from an attack it gets -2.

PHB275, PHB281[/sblock]
[sblock=5. Does Not Upgrade]CSR'...if a warlock makes a successful stealth check, does he or does he not gain total concealment, effectively making him invisible because of a stealth check? Am I correct to assume that there is no way to "upgrade" to total concealment just from a shadow walk+ stealth?

The Warlock does not have Total Concealment, the Warlock is however unnoticed for the time being and still has Concealment.'

See also the CSR's under Not Hidden above.

Argument Shadow Walk grants Concealment if you move more than 3-squares, therefore it can let you use Stealth. Nothing about that is different from using Stealth with other kinds of Cover or Concealment; save that your DM might deem your attempt to hide behind the only piece of Concealment in a brightly lit room to be an inappropriate situation, and therefore not grant you a check. See also Monty Python's The Secret of Not Being Seen, with particular attention to the first part.

PHB131[/sblock]
[sblock=6. Combat Advantage]WotC_Mearls 'You can't attack stealthily; you have to already be hidden when you attack.' and 'The game's math assumes that the rogue gets sneak attack with just about every attack he makes' and 'when you are DMing it's OK to be liberal with letting people use the skill.'

Argument Attacking ends Stealth. Mechanically, an attack, start to finish, resolves instantly: meaning the entire attack will resolve simultaneously with Stealth breaking.

PHB188[/sblock]
[sblock=7. Enemy Notices You]WotC_Mearls 'Remember that intelligent foes will share information. If one of the four hobgoblins spots a hidden PC, that guy can tell his allies where the PC is hiding.'

Argument WotC_Mearls might have intended that 'tell his allies' means 'gives them a bonus', or 'makes them alert', or 'shows them what square to pick', or 'shows them what direction to look in'. The first reading needs words added. We've no solid reason to add words. The second reading seems inevitable: anyone understanding the information is Alert to the hider's presence. The third and fourth readings are equally good, but while anyone will agree it's easy to point in the general direction of something, some will feel uncomfortable about that being any more exact. DMs should probably make an exception where either the spotter or the given ally is standing adjacent to the hider. 'Here, right next to me![/sblock]
[sblock=8. Losing Cover or Concealment]Argument Unambiguous RAW.

PHB188.[/sblock]
[sblock=9. and 10 House Rules]Argument None, they're house rules.
:P[/sblock]

-vk
 
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#5 supporting argument WotC_Mearls might have intended that 'tell his allies' just means 'gives them a bonus' or 'makes them alert' or 'shows them what square to pick'. On the other hand, when you are in cover or concealment you can be seen--your enemies have LOS to you. In which case, why don't they already know what square you are in? Is the perceptive guy just making smalltalk? The remark follows one dealing with alert monsters, if that context is in any way relevant why was WotC_Mearls envisioning that those monsters needed to get alert again? Therefore this comment either means 'busts your Stealth' or 'gives his allies a bonus'. The former reading works without more words. The latter does not; the form of such a statement nearly always includes the expected modifier.
I think you are stretching the interpretation here. I'd agree that the other monsters know what square you are in, and are alerted to your presence. I don't know the guidelines for granting bonuses but that certainly seems reasonable. If the monster knows the target square, they can easily move to where there is no concealment (unless the concealment is based on some effect other than terrain).
I don't know the context though so perhaps your interpretation is spot on. I'd be fine with it as a house rule, but I don't see (at the moment) the conclusion as supported.
Since your conclusions on 6 and 7 are based on that interpretation those might be in question.

As my own house rule suggestion, I don't think you should be able to hide once you are noticed (as the general rule). Bluff (which takes a standard action) and powers that specify otherwise being the exception. At customer service answers there is no need for bluff.

For your rule 9, there is a penalty listed for moving half the movement, I'm not sure you should disallow it since that issue is already addressed.
 

I think you are stretching the interpretation here. I'd agree that the other monsters know what square you are in, and are alerted to your presence. I don't know the guidelines for granting bonuses but that certainly seems reasonable. If the monster knows the target square, they can easily move to where there is no concealment (unless the concealment is based on some effect other than terrain).
I don't know the context though so perhaps your interpretation is spot on. I'd be fine with it as a house rule, but I don't see (at the moment) the conclusion as supported.
Since your conclusions on 6 and 7 are based on that interpretation those might be in question.

7. is supported anyway (as I just realised). Think about it this way. Do you want Stealth to read 'if you beat their Perception check, they cannot choose you as the target of any attack they make until the start of your next turn'?

As Northerners say, that would be a bit good. If it doesn't read that, ergo it does read that you can be a target of their attacks.

For your rule 9, there is a penalty listed for moving half the movement, I'm not sure you should disallow it since that issue is already addressed.

Halving movement is the proposed penalty for using Stealth :) I'm not meaning to alter the penalty on Stealth for moving.

Otherwise, why not always use Stealth?

-vk
 
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None of this makes sense. If you can make a Stealth check to "avoid notice" and you succeed, what benefits would you get? If you avoid an enemy's notice and he tries to attack you, isn't he targeting what he can't see? Isn't a hidden target effectively "invisible" (i.e., can't be seen)? Isn't that the very definition of "hidden"?
 

None of this makes sense. If you can make a Stealth check to "avoid notice" and you succeed, what benefits would you get? If you avoid an enemy's notice and he tries to attack you, isn't he targeting what he can't see? Isn't a hidden target effectively "invisible" (i.e., can't be seen)? Isn't that the very definition of "hidden"?

Targeting What You Can't See only comes into play if you are hidden by something other than Stealth. Stealth then plays a part in those rules.

So think about it this way. Do you want Stealth to read 'if you beat their Perception check, they cannot choose you as the target of any attack they make until the start of your next turn'?

As Northerners say, that would be a bit good. If it doesn't read that, ergo it does read that you can be a target of their attacks.

I agree with you that it is an unlikeable ruling that doesn't accord with 'common sense'.

It does make sense mechanically. It joins up the dots. It doesn't contradict and does follow every ruling. It stops Stealth being far too over-powered to grant checks as freely as WotC_Mearls suggests.

-vk
 
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Stealth
Success: You You avoid notice, unheard and hidden from view. If you later attack or shout, you’re no longer hidden.

Targeting What You Can't See

If you’re fighting a creature you can’t see—when a creature is invisible, you’re blinded, or you’re fighting in darkness you can’t see through—you have to target a square rather than the creature. You also have to figure out which square to attack. Here’s how it works.
Invisible Creature Uses Stealth: At the end of a concealed creature’s turn, it makes a Stealth check opposed by your passive Perception check. If you beat it, you know there’s a creature present that you can’t see, and you know the direction to its location. If you beat it by 10 or more, you know exactly what square the creature ended its turn
in. The concealed creature also makes a Stealth check if it takes an immediate action or an opportunity action.

If you're "hidden from view", the enemy "can't see" you. So, if he attacks you, he's "targeting what he can't see". All this if you succeed on your Stealth check. If you fail, you're not Hidden from View (but you might still benefit of cover or concealment, if you used those conditions to make your Stealth check). In the case of pure Stealth, it seems to be an all or nothing case (which seems to contradict the Targeting What You Can't See box...).

Why not use Stealth all the time? Well, if you fulfill the requirements for Stealth (diversion, cover or concealment), you SHOULD use it any chance you get. That's why it has requirements. And once you attack, you're no longer hidden.
 

If you're "hidden from view", the enemy "can't see" you. So, if he attacks you, he's "targeting what he can't see". All this if you succeed on your Stealth check. If you fail, you're not Hidden from View (but you might still benefit of cover or concealment, if you used those conditions to make your Stealth check). In the case of pure Stealth, it seems to be an all or nothing case (which seems to contradict the Targeting What You Can't See box...).

Why not use Stealth all the time? Well, if you fulfill the requirements for Stealth (diversion, cover or concealment), you SHOULD use it any chance you get. That's why it has requirements. And once you attack, you're no longer hidden.

Until you put a minor after your attack so that you reactivate Stealth before your turn ends...

If you go that (entirely unsupported) route, you need to consider...

#1 supporting CSR '...if a warlock makes a successful stealth check, does he or does he not gain total concealment, effectively making him invisible because of a stealth check? Am I correct to assume that there is no way to "upgrade" to total concealment just from a shadow walk+ stealth?
The Warlock does not have Total Concealment, the Warlock is however unnoticed for the time being and still has Concealment.'

#1 supporting WotC_Mearls remarks 'The game's math assumes that the rogue gets sneak attack with just about every attack he makes' and 'when you are DMing it's OK to be liberal with letting people use the skill.' If the game's math also assumes 'a defence against ranged and melee attacks of -5 to be hit, missing automatically if the wrong square is picked, with an effective -10 on Perception checks to pick the right square' wouldn't he have said so?

#1 supporting argument The moment you place a stealthing character under the Targeting What You Can't See rules, they gain an effective +10 to their Stealth, heavily suggestive that the entities being considered are enjoying some mode of invisibility better than Stealth. To be clear, when you put your stealthing player under those rules, any roll less than their Stealth +10 does not bust their Stealth! Look at Warrior of the Wild or if you like Skill Training, and consider that Stealth has no cost for use, and can be used untrained. Ask yourself whether you want an At Will power in your game that does not itself cost an action (it rides on other actions), that gives an effect that good? Why wouldn't all monsters, NPCs, and PCs use it every chance they get?

Read as written, unless two rules use the same words there is no connect no matter how reasonable that might seem.


-vk
 

So let me see if I get this interpretation: you can make a stealth check if you already have cover or concealment (for instance at the end of a move action that ends in cover) to gain CA on a subsequent attack action, but you are never really 'hidden' (you never gain Total Concealment and enemies always know where you are and can target your square with the -2 cover/concealment penalty). The perception vs. stealth check is only used to determine whether you get CA or not (effectively stealth allows you to use misdirection during your attack from cover/concealment to gain CA period).

Not bad.

And then I would assume the only way you could truly hide using stealth (get the "target what you can't see" benefits) is if
1) you used stealth to hide in any cover/concealment pre-combat and enemies are not aware of you
2) during combat, you have Total Concealment/Superior Cover. Regular cover and concealment can then be used to stay hidden and you can move around in continuous cover/concealment. You can not exit cover/concealment and re-enter and remain hidden.

Within this system, looking at the Rogue powers:
a. Fleeting Ghost -- good, you can move full speed into cover/concealment w/ no penalty to Stealth check and still make a standard attack with CA
b. Chameleon -- good, allows you to keep hidden even in LOS for 1 turn, but have to regain cover/concealment to keep hide
c. Shadow Stride -- good, move from cover to cover without breaking hide
d. Hide in Plain sight -- good, you can attack with hide, without breaking it (you are invisible in your square as long as you don't move)
c. Hide from the light -- good
d. Bluff check to hide -- good, once per combat, if you succeed on a std action bluff check, you can use a move action to move into regular cover/concealment and hide (makes sense)

Also need to make Stealth as part of a move action, otherwise Fleeting Ghost is not useful (move, minor action stealth, attack).

Not sure if this is RAW or RAI, but looks like some house rules for me for now. It makes it relatively easy to get combat advantage, but tough to "hide" and get the full invisible defensive perks (which are too much imo). It also makes all the utility powers quite useful.
 

7. is supported anyway (as I just realised). Think about it this way. Do you want Stealth to read 'if you beat their Perception check, they cannot choose you as the target of any attack they make until the start of your next turn'?

How / why would they choose you as the target of an attack if they don't notice you, can't hear you, and can't see you?
 

So, according to vonklaude's argument, a hidden character gains Combat Advantage, but can still be targeted by ranged attacks at -2?
 

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