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Questions tagged [cr-calculation]

For questions that deal with the calculation of a Challenge Rating, a method of evaluating the combat-difficulty of monsters and encounters in D&D and derived systems. Such questions should ideally demonstrate that the querent has first tried official methods of calculating CR and describe what problems they encountered in doing so.

4
votes
1answer
97 views

How do you calculate CR for running battles?

I am creating an encounter for a game I am DMing and am wondering how you calculate CR for a running battle. What I mean by this is that characters will be fleeing through a zombie infested town, with ...
30
votes
4answers
5k views

I've given my players a lot of magic items. Is it reasonable for me to give them harder encounters?

I'm running a campaign for a group of 6 level 8 characters. Last session, they went shopping, and I let them buy about 2 magic items each. On top of this, I let them each start with an extra feat and ...
7
votes
1answer
380 views

Is the official Necromancer NPC’s CR calculation accurate?

I am planning to make a variation of the official Necromancer NPC statblock from Volo’s Guide to Monsters, and I wanted to make sure the challenge rating was correct based on the original. However, ...
4
votes
2answers
528 views

How much does adding the Pack Tactics trait to this homebrew monster affect its CR?

I am using this Beowolf homebrew monster as a basis to create a Large Mountain Wolf. It currently has a CR of 3, if I add the Pack Tactics trait (as listed below) to this monster, how does that ...
6
votes
1answer
135 views

How would strategic but non-damaging actions affect monster CR?

I'm in the middle of designing a dungeon with heavy fire and ice elemental themes influencing a lot of undead enemies. I'm relying on CR a lot to rough out encounters, as I don't have a super great ...
9
votes
3answers
181 views

Is there a quick and fair way to adjust stats for an upcast Conjured Elemental?

The 5th level spell Conjure Elemental spell states (PHB, p. 225, bold added): An elemental of challenge rating 5 or lower appropriate to the area you chose appears in an unoccupied space within 10 ...
12
votes
1answer
228 views

How does the ability to cast healing spells affect a monster's CR?

I've been making a few homebrew monsters for my current D&D 5e campaign, and I ran into a problem when I wanted to create a creature that used healing magic. There were general rules for offensive ...
5
votes
1answer
403 views

Is this conversion of a Cloud Ray Elder CR 16?

In the finale of the 3 part series on Cloud Rays, we take a look at the stat line of the largest pancake in the universe. From Pup to Adult to finally Elder, I am hoping to gain insight on the balance ...
1
vote
1answer
125 views

Is CR 14 accurate for this conversion of a Cloud Ray Adult?

In a series of three questions involving the largest flying pancake of D&D, I am looking to gain some insight into the balance for a conversion of the Cloud Ray. In this question, I ask about the ...
3
votes
1answer
186 views

Is CR 8 accurate for this conversion of a Cloud Ray Pup?

So I have been running a campaign that I wanted to focus in on a super cool unique "monster" that the party could utilize for narrative, combat, and transportation purposes. So I looked through my old ...
8
votes
1answer
275 views

How can high-CR (20+) NPCs be created?

I remember in earlier editions villains and NPCs sometimes had astronomical levels (Elminster, etc. all are 20+ Spellcasters). Currently I am making a campaign where the major NPCs are all Legendary ...
7
votes
2answers
463 views

How do I determine a dragon's new Challenge Rating when applying the Shadow Dragon template?

The Monster Manual contains a template whereby any true dragon may be turned into a shadow dragon. A shadow dragon differs from a true dragon in the following ways: It has resistance to necrotic ...
4
votes
3answers
971 views

What would be the challenge rating for this homebrew “Obelan Enforcer”?

Obelan Enforcer Medium construct, lawful neutral Armor Class 15 (natural armor) Hit Points 48(10d6+4) Speed 30ft. STR 18 (+4) DEX 10 (+0) CON 16 (+3) INT 8 (-1) WIS 12 (+1) CHA 6 (-...
5
votes
3answers
265 views

How do I account for attack distribution when calculating CR?

When calculating a monster's CR, how do I account for whether the monster deals all its damage in one attack or via several attacks? Based on the DMG, it doesn't matter how the damage is distributed, ...
2
votes
0answers
55 views

How do I calculate challenge rating against a player character? [duplicate]

I am trying to pit a party against a powerful, epic-leveled Goliath Barbarian, using the abilities he would have as a player character. I do not want to make him too powerful, but I still want him to ...
7
votes
2answers
118 views

XP & CR for Monsters with magic equipment?

Suppose I have a monster. OK he's not really a monster, he's just Knight like the one on page 347 of the monster manual. Only this particular Knight has a Spellguard Shield as described on page 201 of ...
7
votes
2answers
828 views

The CR of a Dragon [closed]

I've been looking to scale up the CR of a few Ancient dragons for one of my settings, so I've been figuring out the offensive and defensive CR of each dragon to determine how my scaled-up dragons ...
19
votes
8answers
5k views

How to increase a monster's CR without adjusting its flavour too much?

Background I have a player who has a level 8 Half Orc Paladin (STR 16, CON 18, CHA 14, Vengeance oath, Sentinel and Orcish Fury feats, no magic items) whose backstory involves running away from his ...
-1
votes
1answer
98 views

In a homebrew campaign, how should I set CR for lesser and Boss monsters? [closed]

I am currently trying to make a campaign, and I am steadily homebrewing new monsters, all the way up to the boss at the end. I am aware of how CR works, but unsure how my monsters would shape up ...
10
votes
4answers
783 views

How much does “Defender Wins Ties” affect challenge rating math?

In my group, we couldn't be bothered in session 1 to look up whether the attacker needed to score equal to or greater than the defender's AC in order to hit. We decided to live in a "defensive" world, ...
4
votes
2answers
531 views

Do the Bronze Scout's burrow speed and Earth Armor trait make it stronger than a CR 1 creature?

The Bronze Scout Clockwork construct from Mordenkainen's Tome of Foes (p. 125) is a CR1 monster, but has a set of traits that seem to make it incredibly powerful, unless I'm interpreting them ...
8
votes
1answer
480 views

Are aberrations of CR 6 and below approximately as powerful as demons of CR 6 and below?

Background I'm currently playing a Great Old One (GOO) Pact of the Chain warlock in one homebrew campaign. Originally, I had designed the character to be evil and roleplay-heavy, with skill and spell ...
5
votes
1answer
299 views

What would a Shadow Pseudodragon's CR increase to?

I want to create a shadow version of the Pseudodragon for a Pact of the Chain warlock's familiar, and wanted to know if it would be unbalanced. It would gain the gain all the features a dragon gains ...
4
votes
2answers
226 views

Monster can choose between an attack-preventing reaction or a 20hp attack - which is more significant when calculating CR?

I'm working on a reaction which allows a creature to raise its AC in response to being hit by an attack. This reaction will be effective against any single attack that is resolved against the creature'...
9
votes
2answers
1k views

How does a monster giving disadvantage to hitting it affect its CR?

I'm working on a big creature with an AC of 22 and for flavour reasons, I'd like attacks against it to be made with disadvantage. Could you suggest how this would effect the creature's CR? I ...
4
votes
2answers
2k views

Is this “Timberwolf” Balanced?

Based on the dire wolf an a twig blight, this creature is a essentially a large wolf-like construct made of wood, held together by arcane magic. Timberwolf Large Construct, unaligned ...
6
votes
1answer
138 views

Can CR be used to estimate difficulty for a group of players using monster stats?

I have a situation planned where the players will playing as monsters, using the stats in the monster manual (entirely in lieu of their own). Are there any guidelines anywhere about how to balance ...
0
votes
1answer
309 views

“Episode Boss” encounter balance assessment

I am creating a boss battle for the end of an episode in my campaign using the following homebrew monsters: Knight Zombie AC 16 (chainmail) HP 28 STR 13 DEX 15 CON 10 INT 7 WIS 10 CHA 6 Immunities: ...
3
votes
2answers
140 views

Is there a way I can accurately calculate the CR of my homebrewed monster?

In my current 3.5 Epic level campaign, I am trying to make 11 monsters around the CR of a hecatoncheire, however, my googling skills have failed me and I can’t find any reliable way to calculate their ...
6
votes
1answer
678 views

Is the CR for the Kuo-Toa Whip accurate?

In the Monster's Manual, the Kuo-Toa Whip has a CR of 1, but that seems much too low given that it has 10d8+20 hit dice (average of 65 hp) and 2nd level spellcasting abilities. This seems to be more ...
4
votes
1answer
447 views

How to calculate the Levels of an opposing party

My four member party is Level5 and I want to set up another party they have to fight. Last time I did that I created another same level party and they did not have a chance and told me that the CR of ...
4
votes
1answer
96 views

What are the CRs for diseases used in traps, and how are they calculated?

Are there guidelines for determining the CR of diseases when they're part of traps? I'm actually interested specifically in Tetanus, but the lack of a clear answer of which I'm aware leads to me to ...
1
vote
1answer
153 views

Monster CR adjustment based on item outside its treasure allotment

I know that monsters often have treasure, and that if a monster has say a +1 magic longsword as part of the hoard described in the treasure entry he will likely use it, and this is figured (somewhat) ...
-8
votes
1answer
543 views

How to calculate CR of modified beasts for druids

I always found some creatures in MM weaker than they should be, so I would tweek them to my idea and party strength, no problem. Now my druid wants to use my modified beasts for his wild shape (circle ...
15
votes
3answers
8k views

Why is the Will o' Wisp CR2?

The Will O' Wisp seems pretty challenging for a CR2 monster. An AC of 19 is Incredibly high, especially for lower level players. In addition to its AC, it has resistance to most melee damage types ...
13
votes
1answer
7k views

Why is the Basilisk’s CR so low?

A basilisk has a hardy pool of HP and can force players to save-or-die constantly. For a party of low-level adventurers, going purely by CR, one should be a normal-ish challenge, but I don't know how ...
8
votes
2answers
1k views

Do the HP multipliers for resistance and immunity when computing EHP stack?

DMG p. 277 provides a table and some instructions for the computation of effective hit points based on resistances and immunities when computing the defensive Challenge Rating of a monster, or ...
12
votes
4answers
1k views

How, exactly, is a new creature playtest conducted? [duplicate]

Many questions on this stack that are primarily about CR Calculation point to playtesting as the final step to homebrewing a creature. That, merely calculating the Challenge Rating isn't enough, the ...
2
votes
0answers
259 views

How should I be calculating monster CR when the min & max HP give different CRs? [closed]

I'm programming a tool to help with monster building. I'm leaning a lot on the angry GM The features Undead Fortitude and Relentless adjust HP by a static amount. As I am calculating defensive CR, I'...
-1
votes
1answer
2k views

What is the CR of a monster with class levels?

I can't find very clear rules about how adding class levels affects monster CR in the books, or maybe i just didn't understood clearly. I aim to make more memorable intelligent creatures like dragons ...
3
votes
1answer
213 views

How does reducing a monster's hit points affect its CR?

The Party needs to recover a stolen chariot filled with goods from a large band of kobolds. However, when they arrive, it turns out that all the kobolds have been killed by three ogres. One ogre is ...
8
votes
2answers
3k views

How to determine the proper CR for a Necromancer & Animated Dead

Given the low CR of skeletons and zombies, I have attempted to create a reasonably low level Necromancer villain for my adventurers to thwart. While I am aware that monster creation involves ...
1
vote
1answer
420 views

Did I calculate CR correctly for my homebrew lich? [closed]

I have created a homebrew lich that runs a massive evil necromancy organization in my campaign which revolves around a plague. He is meant to be an extremely tough challenge and is the final boss of a ...
6
votes
2answers
371 views

How to Calculate Effect of Luring Song on CR?

The Harpy is a CR1 creature from the Monster's Manual. However, they have an interesting trait called Luring Song, which is rather unique. Luring Song. The harpy sings a magical melody. Every ...
-5
votes
2answers
2k views

What is the CR of this custom Drow Elite Assassin?

What would be the challenge rating for this custom NPC enemy? It's definitely more than 8 but I don't know what. In essence, it's a Drow Elite Warrior combined with an Assassin: Drow Elite Assassin ...
13
votes
3answers
14k views

Are there higher CRs possible than the Tarrasque's CR 30?

We were discussing with a DM friend of mine about the challenge ratings in D&D 5, and I affirmed the highest known to this day in the official content is the Tarrasque, with a CR of 30. He then ...
7
votes
1answer
3k views

Why is the Werewolf's CR as high as 3?

I'm trying to better understand the Werewolf so that I can design my own varieties of homebrew Werewolves for my campaign. I started by adding together all the stats of the Monster Manual's Werewolf ...
19
votes
6answers
24k views

Do 5th-edition D&D PCs consistently outmatch level-appropriate encounters?

I have a group of PCs that started at level 1. The group varies in size between 6-8 PCs and they have a good spread of classes (healer, tanks, damage dealers, 2 arcane casters). They are level 5 ...
6
votes
2answers
6k views

Is my homebrew lower-powered Lich's CR calculated correctly?

I created a "Lesser Lich" so my party would be able to fight something interesting in the story I have. In my game, a lich undergoes development changes the first time it "ascends(descends) to lichdom....
7
votes
1answer
2k views

Reverse engineering the Hydra CR

There is no info on the hydra traits "multiple heads", so i'm trying to reverse engineer it, here are my thoughs. Effective attack CR 8: Five attacks (1 per head), 10 damage each for an average of ...