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36 votes
Accepted

What does Sacred Flame do to a swarm?

The swarm takes full damage (if it fails the save) The rules aren't explicit, but they heavily imply that a swarm is considered one creature It appears that there are no general rules for swarms that ...
Rubiksmoose's user avatar
36 votes
Accepted

Can a Beast Master ranger choose a swarm as an animal companion?

No, you can not choose a swarm as an animal companion The simplest argument is that the Ranger must choose a beast, singular, not a swarm of beasts, plural. Rules designer Jeremy Crawford even ...
Willem Renzema's user avatar
29 votes
Accepted

Can the rats summoned using a Hat of Vermin allow a character to use the Pipes of the Sewers to call forth a swarm of rats?

Ask your DM and hope they majored in philosophy. You're asking, "when have I added enough rats to make a swarm?" This is identical to the 2400 year old Sorites Paradox: The sorites paradox (...
Thomas Markov's user avatar
27 votes
Accepted

Is a Gathered Swarm considered to be worn or carried by a Swarmkeeper Ranger?

Just let the swarm turn invisible when the ranger is invisible. We’re probably getting too rules-focused if we try to answer this based on the swarm being worn or carried. Let’s just make a ruling ...
Thomas Markov's user avatar
27 votes

Do creatures with a reach of 0 get attacks of opportunity when a foe moves away?

Zero foot reach means attacking only in the same combat space. tl;dr 0-reach creatures do get an opportunity attack. Swarm example Things like a swarm of insects can occupy the same space as an ...
GcL's user avatar
  • 34.4k
24 votes
Accepted

Can the Conjure Animals spell summon swarms?

No; conjure animals summons a specified number of beasts of a certain CR, not a swarm of them As written, the conjure animals spell summons a specified number of beasts, and a swarm is a collection of ...
V2Blast's user avatar
  • 50k
22 votes

Can a bunch of druids wild-shape into a creature that can swarm, then form a swarm with other wild-shaped druids?

It's up to your DM. We don't have any rules about what has to be true for a cranium rat swarm to form. We don't know if there are checks involved, we don't know how long it takes, we don't know if ...
Dan B's user avatar
  • 90.2k
21 votes
Accepted

How are swarms considered in terms of number of creatures?

Swarms are (implicitly) treated as singular creatures All of the information we need to mechanically handle a given monster is provided in its stat block: A monster's statistics, sometimes referred ...
Lauren Moylan's user avatar
20 votes

Can a Druid Wild Shape into a Swarm or "Giant"?

Rules designer Jeremy Crawford answered the "swarm" portion of this question in an unofficial tweet from January 2016: Wild Shape lets you transform into a single beast. A swarm is a ...
illustro's user avatar
  • 28.1k
17 votes

Do the benefits of the Slasher Feat work against swarms?

Yes, the Slasher feat still works on swarms Simply put, a swarm is still treated as a single creature for the purposes of stat-blocks and rules. There are no other special rules anywhere for swarms ...
PJRZ's user avatar
  • 28.4k
16 votes
Accepted

How could I phys-rep a swarm of flying creatures?

While writing my previous answer, I realized there's another way... Regular balloons. Attached to the end of a stick (a telescoping stick, possibly - repurpose a selfie stick?) a significant ...
gatherer818's user avatar
  • 22.2k
15 votes

Can a bunch of druids wild-shape into a creature that can swarm, then form a swarm with other wild-shaped druids?

Probably Not The nature of swarms is defined in the Monster Manual: The swarms presented here aren't ordinary or benign assemblies of little creatures. They form as a result of some sinister or ...
Gandalfmeansme's user avatar
15 votes

Can a Beast Master ranger choose a swarm as an animal companion?

RAW, no you could not choose a swarm Throughout the relevant rules text, the companion is continually referred to in the singular as 'a beast or 'the beast'. Most crucially in the section that details ...
Tiggerous's user avatar
  • 25.1k
15 votes
Accepted

Can you take the form of a swarm with the polymorph spell?

No. Polymorph says: The new form can be any beast whose challenge rating is equal to or less than the target's It says "Any beast", not "Any creature". While swarms are indeed ...
T. Sar's user avatar
  • 16.3k
14 votes

How are swarms considered in terms of number of creatures?

Swarms are counted as a singular creature, but they have a few differences to non-swarms. They are able to occupy another creature’s space (and vice versa) They are unable to regain hit points or ...
BeepLettuce's user avatar
12 votes

How can I make a swarm of cats?

3.5e has Swarms as a general subtype of monster, applicable to any large mass of Tiny or smaller creatures, but not as a template - there's no official method to do this. However, we can infer, from ...
Carcer's user avatar
  • 66.1k
12 votes

Does a non-magical character have any options to fight a swarm without fire?

Buy a Swarmbane Clasp This item costs 3,000 gp and makes all of your unarmed strikes, natural weapons, and (in your case) melee weapons deal full damage to a swarm. If you can somehow deny it of its ...
R.I.P.30.12.21Baskakov_Dmitriy's user avatar
12 votes

What are inexpensive and efficient ways for mundane characters to deal with swarms?

Run away Most swarms have a speed of 20 ft, meaning that the standard humanoid character may run away from them with ease considering they have a 30 ft base movement speed. Keep in mind that swarms ...
ShadowKras's user avatar
  • 61.5k
12 votes
Accepted

Is there any way to become a swarm of bats as a PC?

There are no features that allow you to transform into multiple creatures at the same time. Wild Shape and polymorph are explored in these Q&A: Can a Druid Wild Shape into a Swarm or "Giant&...
Thomas Markov's user avatar
11 votes

How could I phys-rep a swarm of flying creatures?

When I've seen things like this done it's generally done in a contained area such as a marquee/gazebo/etc. Attach most of the things on static strings hanging from the ceiling. Have a bunch more ...
Tim B's user avatar
  • 7,109
11 votes

Can the rats summoned using a Hat of Vermin allow a character to use the Pipes of the Sewers to call forth a swarm of rats?

How many rats is "enough" is explicitly determined by the DM. It's right there in the quote: ...calling forth one swarm of rats with each expended charge, provided that enough rats are ...
Ben Barden's user avatar
  • 25.6k
11 votes
Accepted

Can you create the illusion of a swarm with Major Image?

You've quoted the only thing you need You create the image of an object, a creature, or some other visible phenomenon that is no larger than a 20-foot cube. A swarm of rats would be visible ...
MivaScott's user avatar
  • 40.6k
10 votes
Accepted

Can a wizard have a swarm of animals as a familiar?

No; the spell tells you the options for familiars The find familiar spell description tells you the entire list of options for familiars: You gain the service of a familiar, a spirit that takes an ...
V2Blast's user avatar
  • 50k
10 votes
Accepted

Where, exactly, is it laid out that a torch can do damage to swarms?

This rule comes from D&D 3.5, but was not carried over to Pathfinder. The rule is: A lit torch swung as an improvised weapon deals 1d3 points of fire damage per hit. You can find this in the "...
DuckTapeAl's user avatar
  • 48.7k
10 votes
Accepted

How do Swarms interact with Damage Reduction?

Damage reduction is applied to the overall damage the swarm deals The rules for creature subtype Swarm state: A swarm has a single pool of Hit Dice and hit points, a single initiative modifier, a ...
Nobody the Hobgoblin's user avatar
9 votes
Accepted

Tiny swarms and weapons with multiple damage types

They deal full damage The rules on weapon properties clears this up when explaining Types Some weapons deal damage of multiple types. If a weapon causes two types of damage, the type it deals is not ...
Ifusaso 'he-him''s user avatar
8 votes

How could I phys-rep a swarm of flying creatures?

First of all, to sell 'bees' you need sound effects ^ ^ There are lots of mp3 players or smartphones out there - you could find (dinamic) + (acoustic horn) + (sound track with buzzing bees) - and - lo ...
Jaiden Snow's user avatar
  • 1,467
8 votes
Accepted

What happens when you cast the Polymorph spell on a swarm?

DM Fiat, but you probably cannot target the swarm. Note that the very first part of the monster stat block says: "Medium swarm of Tiny beasts, unaligned" Per the Polymorph spell description, you ...
MivaScott's user avatar
  • 40.6k
8 votes
Accepted

Can a swarm be intimidated?

According to SRD: 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 mind-affecting ...
Mołot's user avatar
  • 24.6k
8 votes
Accepted

Can a player begin and end its movement inside a swarm's space and not incur an opportunity attack?

Staying within a swarm's space means no opportunity attacks are provoked The Swarm trait states: The swarm can occupy another creature's space and vice versa [...] Meanwhile, opportunity attacks are ...
Exempt-Medic's user avatar
  • 76.3k

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