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Questions tagged [swarm]

For questions about swarms. A swarm generally refers to a large group of some type of small creature, usually one that is little or no threat individually, which is treated as a single foe by game mechanics.

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Which spells or tactics allow a low-level non-blaster Arcanist to deal with creatures immune to mind-affecting spells or who have a lot of HD?

I played The Confirmation yesterday, and it was a rather interesting experience. Our party consisted of: 2 Arcanists with Grease and Color Spray prepared and Quick-Study (my friend and me) A party ...
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Can a bunch of druids wild-shape into a creature that can swarm, then form a swarm with other wild-shaped druids?

Related to these questions: Can a druid wild shape into a cranium rat and use telepathy? Can a Druid Wild Shape into a Swarm or “Giant”? The Cranium Rat question establishes that the full stat ...
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Does the bard's Inspire Courage feature increase damage for swarms?

The Bard's Inspire Courage feature references weapon damage rolls: A 1st level bard can use his performance to inspire courage in his allies (including himself), bolstering them against fear and ...
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What HD and Size does a Vampire's “Become the Swarm” Feat give?

The question is quite simple but I've looked and can find no clear answer. Lets say a 10HD vampire has the Become the Swarm feat; do you calculate the damage and size via the Swarm Damage by Size ...
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Can a wizard have a swarm of animals as a familiar?

Can a wizard have a swarm of animals as a familiar? An Imp is a possible familiar and has a CR of 1, and most swarms have CRs of 1/4. Does it have to be a single creature or could the spirit take the ...
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What does Sacred Flame do to a swarm?

So a player casts sacred flame on a swarm. What would the effect be? Sacred flame targets a creature that you can see within range A swarm is made up of many tiny (or smaller) beasts. Would it take ...
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Is an intelligent swarm subject to an ability damaging (pseudo) gaze attack?

The question comes from the following situation. There were two monsters present on the battlefield: a ghost with Horrific Appearance special attack and a silthilar (Lords of Madness, p. 168) in the ...
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Do swarms limit sight?

The spell Insect Plague summons locust swarms composed of 1,500 locusts per 10 by 10 feet square (shapable). This should limit sight severely. But is there any rule that it does?
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How can I make a swarm of cats?

The PCs in my homebrew campaign setting are finally to the point where a lone cat is not an excessively dangerous foe, yet a clowder of cats could still worry them. However, my research efforts have ...
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Does reactive damage affect swarms?

Swarms have the following trait: A swarm is immune to any spell or effect that targets a specific number of creatures (including single-target spells such as disintegrate), with the exception of ...
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Does a summoned swarm's Distraction use the caster's save DC or the one in the MM?

When a druid casts Insect Plague, is the save DC of the swarm's Distraction ability 12 (what's written in the MM), or is it based on the 5th level druid spell (15+ability)?
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What are the rules for swarms joining together?

I have a swarm-summoner in a level 15-15-14-13 party that I'm DMing in. He has explained to me that swarms may join together to increase their hit dice, damage, saves, size, etc. I was wondering if ...
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Can a swarm with the hivemind ability gain class levels?

Can a swarm gain class levels, specifically a hellwasp swarm as it has an intelligence score of 6?
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Can you get sneak attack as a swarm?

Can a character with the sneak attack ability, deal sneak attack damage with a swarm attack while under the effects of a spell like Verminous Transformation? (Unfortunately Swarm Skin isn't an ideal ...
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What is the difference between Summon Swarm and Natural Swarms?

What is the difference between a natural Bat Swarm and one summoned by the spell besides it having a duration and concentration by the caster? Do the summoned bats not behave as natural bats? Are ...
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Does a swarm damage other swarms or creatures of the same kind?

I am wondering if swarms damage other swarms of the same kind if they occupy the same square, or other animals of the same species/kind that move through, or even join them. An extended example shows ...
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Does a spell with a target of “You” work if cast by a Swarm on itself? [closed]

Herbert is a Rat Swarm with Psychic levels. As such, he is able to cast magic and has the Int score on the level of a wizard. HOWEVER. A swarm is immune to any spell or effect that targets a ...
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Where, exactly, is it laid out that a torch can do damage to swarms?

So it's pretty common that people say that torches can do a single point of fire damage to swarms. However, my group can't seem to find any sources that confirm this. Basically, it comes down to ...
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How could I phys-rep a swarm of flying creatures?

Suppose my referee friend wanted to send a swarm of bees, bats, crows, or some other small flying creatures at some players. How could he simulate something that'd evoke the right reactions? The ...
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Would a Swarm of Rats really be much of a threat? [closed]

So killer rat swarms in D&D always seemed weirdly overpowered to me. In 5e a swarm of rats does 2d6 damage, or the equivalent of being hit by someone swinging a greatsword every six seconds. Or ...
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Can swarms be pushed or pulled?

Following up my question about grappling conditions on swarms, a situation came up in my group when the Druid attempted to use the spell Thorn Whip to pull a swarm of piranhas on shore to defeat them, ...
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Can you grapple a swarm?

While it doesn't make sense from a rules as intended perspective, I haven't seen anything in the Grapple section or your average swarm's stat-block that protect it from being grappled.
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Attacking a Swarm with a spell while it's in a players space

My players have walked into a Spider Lair and fought their first group of Spiderlings, or effectively a Swarm of Spiders from the MM. I didn't realize until after the encounter that they have a reach ...
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Handling many similar opponents in combat

I plan to send my players into a town of about 600 inhabitants. Overnight the town will be infested with zombies, with about 400 inhabitants turned. When my players awake, they will need to get out of ...
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Alchemic fire/bomb vs. Swarm of Fine creatures

There is another discussion in our group and since my Google Foo and Rules Lawyering skill is not very high, I decided to bring this up. According to swarm traits A swarm composed of Fine or ...
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Should I replace the swarm with the individual creature after enough damage?

So one thing I found odd in the DM's Basic Rules v0.1pdf was a large list of animals that seemed so insignificant as to wonder why it was included in the PDF. For example, the "Rat" monster, has 1 ...