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For questions about concentration mechanics in various RPGs.

3
votes
1answer
144 views

Would a Contingencied Banishment protect against a triggering spell?

Let's say Bob the Wizard is afraid of meteor swarms, and uses contingency to set up a banishment spell with the following trigger: "If someone casts a meteor swarm in an area that includes me, cast ...
16
votes
4answers
771 views

Does the Resilient (Con) feat or the War Caster feat most improve the chances of maintaining concentration?

The Resilient feat (PHB, p. 168) allows you to increase one ability score by 1 and gain proficiency in saving throws using the corresponding ability. In essence, taking the Resilient feat and picking ...
12
votes
2answers
950 views

If I use Wish to duplicate a concentration spell, does it still require concentration?

The wish spell can (among other things): duplicate any other spell of 8th level or lower. You don't need to meet any requirements in that spell, including costly components. The spell simply takes ...
10
votes
2answers
450 views

Does a multiattack count as a single source of damage?

The rules for maintaining concentration on spells after getting hit state that: If you take damage from multiple sources, such as an arrow and a dragon’s breath, you make a separate saving throw ...
-1
votes
2answers
135 views

Does a Wall of Force block concentration on a spell?

If a spell was cast on a recipient prior to the wall of force being brought into existence, and that recipient was then on the other side of the wall from the caster, does wall of force prevent ...
3
votes
0answers
73 views

If a character casts a spell requiring concentration, do they know when it is no longer doing anything? [duplicate]

A cleric casts bane on 3 orcs. Two make their saving throw. RAW, the cleric does not know which orc was affected. The fighter rushes over and kills the orc that was affected by the bane, but the ...
12
votes
3answers
204 views

Can you tell if a spellcaster is maintaining a spell?

If a spellcaster casts an illusion spell that is Duration: Concentration, and then another character comes in, can they tell that the spellcaster is concentrating on something? If so, would they be ...
4
votes
1answer
768 views

Does Time Stop disrupt concentration on spells?

If I have a wizard that casts time stop, it doesn't actually speed up the caster; rather, it slows every other creature down. That would suggest that the wizard is taking their bonus turns as regular ...
1
vote
0answers
74 views

Does casting a box Forcecage around another spell’s area of effect break concentration? [duplicate]

Part of the description of forcecage states: A prison in the shape of a box can be up to 10 feet on a side, creating a solid barrier that prevents any matter from passing through it and blocking ...
4
votes
1answer
634 views

How can attacking disrupt concentration when it already takes up your action?

I'm sure this is a simple matter but I'd love some clarification. I'm pretty new to the game (2nd session, first campaign) and I'm playing a bard with the Charm spell on 5e. As far as I can tell, ...
2
votes
2answers
469 views

Quickened spells and concentration

I understand that I can't cast two spells per round (PHB p.202) even when using the Quickened Spell metamagic feat. However, is it allowable to cast a concentration spell like Crown of Madness on one ...
2
votes
0answers
48 views

Maintaining a concentration spell beyond casting range [duplicate]

Tonight, I had a bard cast Hungar of Hadar into a room, then circle back through the dungeon to flank while maintaining concentration on the spell. The spell has a range of 150 feet. Is it possible to ...
42
votes
3answers
7k views

Sentinel Raven uses too much awesome magic

The Raven Queen Warlock in my group got a Sentinel Raven, as per the Lvl1 Class Feature. This raven is now attuned to a magic ring and wields a magic wand. The wand is not that big of a problem, but ...
2
votes
3answers
1k views

How many rounds does a 1 minute spell last?

If a concentration spell lasts for one minute (60 seconds, 10 rounds), when does one start counting down how much time it has left? Does the round you cast it in count towards how long it stays active?...
6
votes
2answers
443 views

What is the lowest-level spell combo to give disadvantage to an enemy's specific save, without running into follow-up concentration issues?

What I'm trying to do is debuff an enemy's stat so that I can hit them with a "save or suck" spell like dominate monster, and be more likely to succeed. The problem is, I'm running into ...
14
votes
1answer
1k views

Concentration spell vs Mage Slayer

I understand that the caster first complete the casting, then Mage Slayer triggers and allows the character to attack as a reaction. If the spell requires concentration, what will happen if the ...
5
votes
1answer
277 views

Concentration on a spell, does it include any of the components of casting it?

As a spell caster, when I am keeping a concentration effect up, does it require any of the casting components required to have cast it, such as verbal or somatic?
1
vote
2answers
1k views

Can I cast a concentration spell through an “Invoke Duplicity” clone? [duplicate]

I am using "Invoke Duplicity" to create a perfect illusory clone of my self. The clone is currently 100ft away. I want to cast "Dominate Person" on a target 120ft away. Can I do so without moving? ...
4
votes
0answers
340 views

Can I cast spells that require concentration through “Invoke Duplicity” [duplicate]

Can I use the clone from "Invoke Duplicity" to cast a concentration spell, since the clone requires concentration itself? For example, could I use the clone to cast invisibility on one of my allies ...
17
votes
2answers
3k views

Can a concentration spell be cast without actually concentrating on it for an “instant” effect?

The book says: Concentration Some spells require you to maintain concentration in order to keep their magic active. If you lose concentration, such a spell ends. So what happens if, for example, ...
12
votes
1answer
2k views

Can True Strike grant advantage to Witch Bolt?

Since both True Strike and Witch Bolt require concentration, can True Strike grant advantage to Witch Bolt's attack roll? My answer to this question received a comment saying that Witch Bolt's attack ...
1
vote
1answer
124 views

Do multiple heads allow multiple concentrations?

The rules that describe what additional limbs can do fails to describe what multiple heads are able to do for you. My primary concern is, does having an additional head allow you to concentrate on ...
9
votes
1answer
300 views

In Pathfinder, is ceasing to concentrate a free action, immediate action or not an action?

While it seems to be no real difference between those action types, for this action, there really is. If that is considered a free action, i can only do it during my own turn, otherwise i can drop ...
31
votes
3answers
2k views

Does dealing 0 damage to a concentrating spellcaster require a saving throw?

Wizard is currently concentrating on a spell. Wimpling has a -1 Strength modifier, and makes a melee attack on Wizard. The attack hits, but Wimpling rolls a 1 on the damage roll, meaning that after ...
3
votes
1answer
156 views

Can I still command/control concentration spells while in the Border Ethereal?

If I have cast something like Animated Objects or Bigby's Hand and then follow up the next round with casting Etherealness, can I still command/control those spells?
5
votes
1answer
335 views

Can you cast on the defensive vs. an invisible opponent?

The PC cleric was not sure whether he was threatened by an invisible opponent, so he chose to cast his spell on the defensive without obvious threat. Assuming there was a threat, could the cleric ...
4
votes
1answer
324 views

Incendiary cloud: why do we use concentration?

I don't really understand why this spell requires concentration. "It lasts for the duration or until a wind of moderate or greater speed disperses it." So, the spell lasts for the duration. But why ...
4
votes
2answers
457 views

What happens when a creature can neither maintain nor cease concentration?

A number of effects in 3.5 render a creature unable to maintain concentration on a spell. A number of other effects render a creature unable to take free actions, thus preventing a creature from ...
2
votes
1answer
391 views

When using a wand with concentration, do creatures need to make the usual saving throw when hit?

The wand has a spell (e.g. Entangle) if they're hit, do they need to make a con saving throw to keep up the spell?
2
votes
2answers
568 views

Maintaining a concentration spell without concentration? [closed]

How many ways are there to cast and maintain a concentration spell without anyone having to concentrate on it? I've seen one -- casting it using a Glyph of Warding. Are there any others?
10
votes
2answers
1k views

Does a concentration spell still require concentration when triggered by Contingency?

Does a spell that normally requires concentration, but which is cast with and triggered by Contingency, still require concentration once it begins? Part of the reason I ask is in comparison with a ...
16
votes
2answers
1k views

How does Slow interact with Concentration spells?

This is in reference to Does casting a long spell end a maintained Concentration spell? Casting spells that take more than an action require concentration, so this means you have to drop your ...
8
votes
1answer
668 views

Holy Symbol and Concentration Interaction

A cleric can present their holy symbol to substitute the material part of a spell. When a spell requires concentration (e.g bless), must the cleric keep the holy symbol presented throughout the ...
9
votes
2answers
360 views

When incapacitation goes away on an NPC's initiative order, can that NPC immediately act?

There are many ways for the players to stop a monster from taking actions on their turn. Often times, that condition can be removed on that monster's initiative order. Should they then be allowed to ...
9
votes
2answers
3k views

Do I have to concentrate on Wrathful Smite for the fear effect to continue?

Want to ensure that I am reading this correctly. In the PHB it specifies that Wrathful Smite is a concentration spell. However after you hit a target it applies the frightened effect (should it fail a ...
12
votes
2answers
2k views

Can your familiar concentrate on a spell it delivers?

As stated in the PHB "When you Cast a Spell with a range of touch, your familiar can deliver the spell as if it had cast the spell. Your familiar must be within 100 feet of you, and it must use its ...
8
votes
1answer
617 views

Do Eyebite effects continue if Concentration is lost?

Eyebite allows you to: On each of your turns until the spell ends, you can use your action to target another creature This seems to allow multiple creatures to be affected consecutively with ...
10
votes
5answers
3k views

When I lose concentration while levitating, do I fall?

The "concentration" description says: Some spells require you to maintain concentration in order to keep their magic active. If you lose concentration, such a spell ends. The levitate spell ...
11
votes
3answers
980 views

Does becoming Charmed disrupt Concentration?

If a spell caster, while concentrating on a spell, becomes charmed, does he/she lose concentration automatically? Or does he/she have to make a concentration check? Or is concentration not affected?
10
votes
2answers
1k views

Can you use Dispel Magic on the source of a spell (ie, the caster)?

If a caster is currently concentrating on a spell whose effects are not on the caster, can you cast Dispel Magic on the caster to end the spell?
12
votes
2answers
2k views

Will an Antimagic Field on a target of a “Haste” spell trigger the wave of lethargy?

Haste is an incredibly useful buff in this edition: +2 AC, doubled movement rate, advantage on Dex saving throws, and a "cunning action" like free action that can even be used to Attack. It's a ...
3
votes
2answers
165 views

What type of action is concentrating on Detect Magic?

Detect magic has Duration concentration, up to 1 min./level (D) But nowhere is concentration clearly defined or the action required to concentrate on this spell. There is concentration while ...
7
votes
4answers
683 views

Concentration check on a supernatural ability?

Another question brought up a scenario where a crimson assassin used the supernatural ability prayer attack to deliver a coup-de-grace to a PC. The question was about how to prevent the coup-de-grace. ...
17
votes
2answers
2k views

Do you need to concentrate when using a magic item's continuous effect like flight?

I was in an encounter in my last game where my party and Assassin/Ranger was in combat. I was flying around using the Winged Boots to get aerial advantage with ranged attack vs. some Hill Giants. One ...
6
votes
1answer
6k views

How Best to Improve Concentration Saves (or avoid the check all together)? [closed]

As I see it there are the following options: Character Build: Take a level of a class with Con save proficiency at first level. Ability Increase (Con). Diamond Soul - (14th level Monk - not really ...
3
votes
2answers
120 views

Wind blast readied vs casting a spell

The concentration rules give several situations that require a concentration check but supernatural abilities and most combat maneuvers are not among them. If someone with the wind subdomain readies ...
3
votes
2answers
2k views

Do an Artificer's infused items use her own concentration?

The Artificer class, introduced in Unearthed Arcana, has a feature she gains at fourth level titled Infuse Magic. This feature allows the Artificer to implant a spell into an item for later use by ...
5
votes
1answer
975 views

How long can you expect to maintain Concentration during combat? [closed]

Every concentration spell has a listed duration in the spell description, like: Concentration, up to 1 minute. Spells that require concentration might end prematurely if the caster takes ...
0
votes
1answer
16k views

What do I add to the D20 roll of a Concentration Check?

So I understand the the basics of a Concentration check the only thing that I don't understand is what, if anything, do you add to the D20 roll? I can't find anything in the book so any assistance is ...
7
votes
2answers
6k views

How does concentration work when wild shape is ended through damage?

Consider the following situation (round numbers chosen for easier calculations): Bob is a human druid. In caster form Bob has a +0 CON modifier and 100 current HP. Bob is concentrating on a spell. ...