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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1answer
120 views

What book describes consuming vials of vampire blood to pseudo-Rage?

I know I've ran across this in one of my 3.5 books recently and I cant remember the book or much about it, and am having trouble re-locating this. There was an entry towards the front of the book for ...
5
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2answers
473 views

Are Demons and Half-Fiends considered Evil Outsiders for Favored Enemy?

Favored Enemy: Outsider(evil) is slightly confusing to me personally because when you look under fiends and demons the succubus is under both. Which demon is under outsider(evil) is this an exception ...
3
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1answer
226 views

Are there sourced statements about what inspired the D&D Demogorgon visuals

Wikipedia states: Demogorgon is based on the invented, supposedly pagan god or demon Demogorgon, which was first spoken of by Christian scholars as a being whose very name is taboo. A creature ...
5
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1answer
114 views

Is an animated object destroyed when it “dies”

When an object is animated as per the "Animate Object" spell, or a similar effect, it effectively becomes a creature. This creature is listed in the Monster Manual as an "Animated Object". What ...
21
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2answers
553 views

Tarrasque: Rush & Jump Skill Interaction

Background I am having a little trouble wrapping my brain around the Jump skill. I want to plan a battle with my players and the Tarrasque; two of them have the ability to fly - and it does not. I ...
15
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1answer
625 views

Can animated dead have weapons and armour?

If I have put the time into creating some skeletons or zombies using the spell Animate Dead. Kept them active expending 3rd level spell slots can I equip them with items, like armour and weapons? ...
12
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2answers
309 views

Do PCs facing a group of harpies have to make multiple saving throws against their song?

Do PCs facing a group of harpies using Luring song at the same time make a wisdom saving throw for each individual source of the melody or is it a single roll, considering it's the same ability? Here ...
10
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2answers
987 views

Does a PC transformed into a slaad retain their mind, stats, and class abilities?

If the blue slaad hits you with his claws and you fail the save, what will happen for the PC when they are transformed into a green or red slaad? Will they keep their own personality, or will they ...
12
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1answer
165 views

Do giant-kin have a specific place in the Ordning?

In 5th Edition, the word Ordning refers to the hierarchy of the various breeds of giant. Among the so-called 'true' giants this order goes, from highest to lowest: Storm giants, Cloud giants, Fire, ...
5
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2answers
511 views

How can an object hide the fact that it is Animated?

I am currently designing an encounter with an animated ship carrying a massive cargo of animated objects. However, the entire thing loses its magic when all that a player needs to do in order to ...
2
votes
1answer
145 views

How can Constructs use Magic?

In Pathfinder I am currently trying to design a few encounters with a supposed ghost ship (actually a Colossal Animated Object) complete with a crew of Haunted Objects (again, Animated Objects), but I ...
4
votes
1answer
163 views

Can an animated cannon fire itself?

In Pathfinder I am currently trying to design a few encounters with a supposed ghost ship (actually a Colossal Animated Object) complete with a crew of Haunted Objects (again, Animated Objects), but I ...
3
votes
1answer
130 views

What is the space size of a Colossal Animated Ship?

In Pathfinder I am currently trying to design a few encounters with a supposed ghost ship (actually a Colossal Animated Object) complete with a crew of Haunted Objects (again, Animated Objects), but I ...
2
votes
1answer
315 views

How would removing tail spikes from a manticore affect its challenge rating?

One creature omitted from the 5th Edition MM is the Dragonne, and I have considered modifying stats for the manticore to create a 5E dragonne. Most of the changes would be cosmetic except for removing ...
13
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2answers
914 views

What language is reasonable for a Roper to speak or understand?

I'm DMing a published 5e campaign that has a Roper in it. The campaign book tells me... This seems all well and good, except in the monster's stat block its language is listed as '—', which I ...
14
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2answers
250 views

What happens to active spells on a black pudding when it splits?

Bob the wizard and his chums have encountered a black pudding and Bob has cast Slow on it to give him some time to run for it. However, helpfully, the next round the parties tank, Kevin the Barbarian, ...
1
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1answer
270 views

Some creatures have unbelievably high ACs in the 40s, but how is that even possible to hit? [closed]

I'm looking at creatures in the d20 SRD and seeing monsters that have really high AC, like 45. Is that the correct AC or is it supposed to be something else? And if it is correct, then how is anyone ...
8
votes
1answer
145 views

How to travel through a Thoqqua's tunnel?

In the 3.5 monster manual, it states It burrowing leaves behind a usable tunnel, albeit a small one with blistering hot walls. What does this mean in terms of game-rules? Would a medium creature ...
8
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3answers
433 views

Do monster stat blocks already include their feats' effects?

When looking up any monster in any manual, are the stat blocs modified relative their feats, or must you modify them yourself? (Example weapon focus gives +1 to att. roll) At the moment, I am DMing ...
6
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2answers
161 views

Do Charm/Hold Person or psionic equivalents work on Lycanthropes?

Is a Lycanthrope affected by Charm/Hold person or similar psionic powers? I see that it has the Shapchanger subtype, but I don't know what that implies here. Does that mean a human infected with ...
2
votes
1answer
77 views

What is a hit die, and how do I calculate monster HP? [duplicate]

I'm new and have the AD&D Monster Manual and Fiend Folio. I want to know how to calculate monsters' HP. Does 4 hit dice mean 4 HP, or 4 rolls of a die, and how do I know what die to roll if it is? ...
40
votes
2answers
6k views

What makes the Monstrous Crab so dangerous?

It was recently mentioned that the Monstrous Crab is generally capable of wiping out even a powerful 3rd level party. It seems to me that, lacking any anti-ranged capability whatsoever, it is ...
5
votes
1answer
846 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 ...
5
votes
1answer
970 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
213 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
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1answer
72 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
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3answers
1k 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
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1answer
505 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
238 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 ...
24
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4answers
7k 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
251 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 ...
9
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2answers
414 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
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2answers
366 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
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1answer
1k 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
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2answers
2k 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
581 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
839 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
372 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
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2answers
144 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
411 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
270 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
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1answer
301 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
218 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
319 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
259 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 ...
19
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3answers
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
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3answers
534 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
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1answer
610 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 ...
11
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4answers
1k 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 ...