This tag covers questions relating to either monstrous antagonists specifically, or all enemies of the player characters generally; which usage is correct varies depending on the traditions of specific games. Use as appropriate for the game in question.

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5
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1answer
791 views

When do monsters need to breathe?

I've been doing some work on monster design, and stumbled on a weird problem with monsters needing to breathe. In my current monster write up, I don't intend for breathing to be something that is ...
4
votes
1answer
883 views

What are the racial traits for mind-flayers?

I'm planning on making a Mind-flayer character for D&D 5e and need their traits. I need to know special abilities, stat modifiers, and other things needed for character creation. A site that ...
5
votes
1answer
197 views

What are Metal Kobolds?

I've recently purchased the Monster Codex for Pathfinder and found an interesting passage in the introduction to Kobolds. It reads that in rare cases, there are those born with metallic scales that ...
1
vote
1answer
53 views

Leveling up a creature from the Pathfinder Bestiary

I have been running a game for the first time and have generally had an experienced GM on hand to help (never done this before). I have an encounter coming up (it pretty much will be the very next ...
8
votes
3answers
630 views

Are there official stats for an Illithid “Elder Brain”?

During an episode of Critical Role, the PCs battle an Illithid Elder Brain. I tried to find out more about this creature for possible inclusion in a campaign, but it barely has a mention in the ...
9
votes
1answer
320 views

Can you kill a gargantuan monster from within?

Imagine that a party manages somehow to get inside a dragon turtle without injury to themselves (we have some plans using magic, but that's not part of the question). Once inside, could you kill it ...
2
votes
1answer
193 views

Is Multiattack included in the actions a new lycanthrope gains?

In the Monster Manual p.206, it is written: A character who becomes a lycanthrope retains his or her statistics except as specified by lycanthrope type. The character gains the lycanthrope's ...
23
votes
4answers
6k views

Are Legendary monsters in the Monster Manual ever able to be defeated?

I'm starting my first 5e campaign soon and I'm just learning about balancing encounters. While looking up challenge ratings I noticed a very troubling truth: Of 30 challenge levels in the Monster ...
4
votes
1answer
205 views

Can becoming a familiar make an improved familiar stupider?

The feat Improved Familiar (DMG 200) says that Improved familiars otherwise use the rules on page 52 of the Player’s Handbook, with two exceptions: If the creature’s type is something other than ...
8
votes
2answers
357 views

Whence the large difference in power between ogres and hill giants?

Ogres and Hill giants are both of Giant type and are described as very similar height: 9–10 feet for ogres, 10½ feet for hill giants (and they're both of Large size category). Yet their ...
3
votes
2answers
297 views

Why are constructs so hard to build?

Golems and other constructs have a long history in Dungeons & Dragons and its spinoffs, but, almost invariably, it's extremely difficult for PCs to create them, and they often have varying ...
15
votes
1answer
975 views

How does a Vampire Spawn become a Vampire?

I was looking at the Vampire and Vampire Spawn entries in the monster manual, and a little blurb in the green box next to Von Zarovich's note talks about player characters becoming vampire spawns, ...
12
votes
2answers
1k views

If a body being possessed by a ghost is targeted by a charm spell, who gets affected?

Let's say a ghost possesses somebody and then the party wizard casts charm person on the body. Is the ghost affected by the charm, or is the body? And if the body is, does it limit the ghosts ability ...
5
votes
1answer
553 views

Is the HP in a Pathfinder monster stat-block the average HP or a base HP?

I'm a new GM and after running a session where two named NPCs were defeated before even having a turn I started to question if I was doing something wrong. One of my players (who GMs as well) asked ...
5
votes
1answer
774 views

Is a Gorgon's Petrifying Breath a poison attack?

I have a feeling that this is a DM fiat question, but the Gorgon has an action for "Petrifying Breath" that causes petrification if recipient fails two con saves. My question is whether or not this ...
21
votes
2answers
2k views

What does a doppelganger smell like?

One of my players got the (fun) idea that her character could be able to smell the difference between a doppelganger copy and the real person. She's a shifter, so in theory she has an excellent sense ...
7
votes
1answer
281 views

How do I calculate a monster's damage output per round for breath weapons?

When creating a monster, on DMG p. 274 I am instructed to "Read down the Damage/Round column... until you find your monster's damage output per round." So how do I figure that? Is it just the damage ...
7
votes
2answers
135 views

Does a black dragon's Corrupt Water (Su) affect Alchemists' extracts?

Talking with my friends about the "alchemy" of the Alchemist class, we're fighting about the alchemist extracts. Look at this description: Extracts are the most varied of the three. In many ways, ...
3
votes
2answers
269 views

Goblin's Challenge Rating and Nimble Escape

So I'm trying to tinker with a few custom monsters and decided to give one Nimble Escape. As a reference, I tried to see how nimble escape interacts with creatures that already possess this ability: ...
5
votes
2answers
262 views

Monster Space and German “Angriffsfläche”

Looking at the rules for various monsters, in the german prd (prd.5footstep.de) some monsters have a property called "Angriffsfläche". After looking at english entries for monsters, I am confused ...
7
votes
1answer
275 views

Does a doppelganger who's replaced a PC get their stats for rolls?

I'm running a mini campaign within a normal campaign, which has a different DM. The regular DM has a PC of their own and we, as a group, thought it would be fun to let the DM really play their ...
2
votes
1answer
180 views

How do I calculate encounter difficulty for PCs with allied monsters? [duplicate]

I'm currently running a mega dungeon in 5e D&D, and my players have recruited some monsters into their service. I have been building encounters using the dungeon masters guide rules (pg. 81-84), ...
3
votes
2answers
257 views

False Appearance, Movement, Surprise, and the Unseen Attacker bonus

Related to How should I implement False Appearance? but that does not answer my questions about surprise and movement... A Darkmantle has the "False Appearance" property which allows it to be ...
7
votes
1answer
204 views

How is the save DC for a Half-Dragon's breath weapon calculated?

The Half Dragon template in D&D 5e states that, "The half-dragon has the breath weapon of its dragon half" though the sample given has a different save DC (15) than the wyrmling (13) it is based ...
16
votes
2answers
2k views

Ogre CR calculation: is it wrong or am I missing something?

My question is about the basic ogre CR calculation in the monster manual, which doesn't make senses to me. I tried to make a concept of an "armored ogre" with chain mail and pikes (AC 16 and 15 ...
10
votes
3answers
422 views

How do you “safely” imprison a Lich?

Let's say in a world like Eberron, with a prison like Dreadhold, how would you go about keeping a Lich prisoner if you don't want it to die and escape to its secret phylactery? I mean can a Lich kill ...
8
votes
1answer
595 views

Why do Hill and Frost Giants have a bigger damage bonus than their Strength bonus?

In the D&D 3.5 Monster Manual, a Hill Giant's damage entry shows: Greatclub +16 melee (2d8+10) A Hill Giant's strength bonus is +7. Since there doesn't appear to be any magic abilities or ...
8
votes
3answers
504 views

Can you safely wear animated armor?

Assume a team of my players defeated an Animated Armor, which broke apart. One of the players states that if it is armor, than he can take it and use it. DM decided that the armor is damaged and ...
3
votes
1answer
266 views

Does a Rust Monster's Rust (Su) apply to other kinds of touch attacks it makes?

I have a rust monster with the Greater Trip and Fury's Fall feats and the ability to cast a handful of spells, which opens up some situations I've not seen before. If I make a trip attempt with a ...
5
votes
2answers
250 views

Where can I find Bullywug lore?

In D&D 4th Edition (the edition I play), Bullywugs are featured in the Monster Manual 2. However, the lore about them in this book is very thin, barely touching n anything about the race itself. ...
10
votes
2answers
515 views

How would a Kobold's challenge rating be affected if I gave it a cantrip and a resistance?

I want to create a version of a Kobold that has the Ray of Frost cantrip, as well as resistance to cold damage. How would this affect the challenge rating of the monster? A normal kobold is CR 1/8. ...
4
votes
2answers
180 views

Can a vampire use a Headband of Ferocity to avoid turning gaseous at 0 HP?

Does a vampire that's using a headband of ferocity (S&F, p. 77) get to not automatically turn gaseous when reduced to 0hp, so they can then do something else like quaff an inflict potion, rather ...
9
votes
1answer
794 views

What is the alignment of a Gold Shadow Dragon?

What alignment are Gold Shadow Dragons? I recently purchased a miniature booster box and inside I found a Gold Shadow Dragon and have not been able to find any sources that describe its alignment. ...
3
votes
1answer
184 views

How can I boost the AC of a ghost dragon?

I am in the process of making a ghost dragon as a challenge for a mythic campaign, with a party of a druid, an alchemist, and a paladin. Applying the ghost template drastically reduces its AC from ...
12
votes
1answer
470 views

What book contains this antlered humanoid fey?

In one of the later Monster Manuals, there was a Fey called something like "Master of the Forest" It took the form of a human male with antlers. Can anyone confirm or correct the name and tell me ...
8
votes
2answers
149 views

How to do mobs of monsters with class levels?

The level 11 PCs are going to raid a tower/school filled with low-level wizards/clerics/fighters of a variety of races and levels. Is there a more elegant way to simulate the massive amount of ...
4
votes
3answers
1k views

Drow, poison, and the lack thereof

In editions past, Drow are pretty well known for using poison. It's just "who they are". While playing some 5e and creating a side mission I thought, "I will add some Drow since they use ...
5
votes
1answer
426 views

How to kill a Boneleaf in D&D 3.5?

The Boneleaf is a monster in Heroes of Horror, D&D 3.5 page 143. The creature that the party generally encounters is actually a part of a much larger, subteranean monster that has 1D6+6 other ...
7
votes
1answer
143 views

Can a ghost see through the Darkness spell?

The description of the Ghost says: Ethereal Sight: The ghost can see 60 feet into the Ethereal Plane when it is on the Material Plane, and vice versa. And also It is visible on the Material ...
9
votes
2answers
407 views

Does a beast without Multiattack have to choose only one attack to use?

I'm comparing Giant Badger (MM, p. 323) to Panther (MM, p. 333), with my druid's Wild Shape in mind. A Giant Badger has Multiattack, Bite and Claws. A Panther has Bite and Claw. Since Multiattack ...
20
votes
3answers
3k views

What is the history of vampires having high natural armor class?

Based on this question to Order of the Stick #1002 featuring combat between the main protagonist and a vampire, I wonder what is historical motivation for D&D vampires being tough to hit, not ...
4
votes
2answers
858 views

How to summon an Invisible Stalker?

In the Monster Manual you can find the lore on this matter: Invisible stalkers are creatures native to the Elemental Plane of Air. They sometimes serve wizards and sorcerers, who summon them to ...
6
votes
1answer
356 views

Are any creatures in 5e immune to all disease according to the manuals?

In fifth edition D&D, do any of the manuals specify that a creature (besides players) can be immune to all diseases or is this left up to DM discretion? Say for example that the party comes up ...
13
votes
4answers
2k views

Why are Solars so powerful compared to other Outsiders in D&D?

Going through a number of D&D books that feature the Solar I noted that it is amongst the most powerful monsters in the book, frequently only matched in level and power by the likes of the ...
7
votes
3answers
1k views

If a skeleton learns a language, can it speak it?

The skeleton description says that while it cannot speak it, it can understand the languages it knew in life. Can it not speak because of its undeath or could it learn to speak a language?
1
vote
2answers
350 views

Resource with Monsters Listed by Type?

I just bought the Monster Manual and the Dungeon Masters Guide. I noticed that Monsters are organized by CR and locations but not by type. Is there any resource that lists Monsters by type so I can ...
11
votes
2answers
967 views

During D&D 5e's different design iterations, were Assassins ever different?

I am running Hoard of the Dragon Queen for my players. I am currently preparing the next session and am reading "Episode 4: On the Road". The event No Room at the Inn (page 36) mentions an encounter ...
5
votes
1answer
234 views

How do I know which Attack a creature would use for an Opportunity Attack?

Take for example a Ruffian CR 1/2 creature, he has a Multiattack Action of 2 Shortswords both with a reach of 5 ft so when something provokes an Opportunity Attack against it, it is obvious that the ...
2
votes
1answer
64 views

How does creating sheets of sticky webbing work?

Web (Ex) Web spinners can create sheets of sticky webbing up to three times their size. They usually position these sheets to snare flying creatures but can also try to trap prey on the ground. ...
8
votes
3answers
1k views

Do imps have hands?

I've looked around and everyone assumes so, but I see no specific mention that imps have hands (with which to wield wands to cast spells for their masters, as familiars).