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.

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Are a Beholder's Legendary Action Eye Rays Also Bound to the "Reroll Duplicates" Rule?

This is a balancing question as I am currently in the middle of homebrewing a Beholder-esque monster and I'm trying to use the Beholder's stat block as a template for how my new monster's challenge ...
Raven Poe's user avatar
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4 votes
2 answers
807 views

How does the poisoned condition affect the challenge rating?

I am planning an encounter against different Ogres (Half-Ogre, Ogre, Ogre Battering Ram...). During the fight, the Ogres are drunk and suffer the poisoned condition (disadvantage on attack rolls and ...
00koeffers's user avatar
3 votes
2 answers
492 views

How do I evaluate the CR for this homebrew Phoenix creature?

The determination of CR of simple and standard creature is quite simple, and it suffices to follow the DMG book. But now that I am trying to create a complex creature, with high CR, I don't know how ...
Leonardo's user avatar
  • 719
7 votes
1 answer
872 views

How should I adjust CR if the monsters I introduce are fighting each other?

I'm planning a long one-shot, the setting of which is a large island with half of it sectioned off in an area where massive wild beasts roam and battle each other, through which the party must trek. ...
Zibbobz's user avatar
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0 votes
2 answers
222 views

Homebrew Parchment Golem monster v1.2

This is a continuation of my first attempt to get a review of a monster stat block. If I'm doing something wrong, let me know. Homebrew Parchment Golem monster My goal for this creature is to be a ...
Xisnue's user avatar
  • 357
7 votes
1 answer
2k views

At what level for a 4/5-player party would a CR 2-3 monster be considered a "miniboss"?

I'm working on a dungeon and I want to have a solo encounter with a single basilisk in the hallway. It isn't the last monster in the dungeon; that I'm going with a surprise, however it shouldn't be a ...
Quinn's user avatar
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2 votes
2 answers
416 views

Homebrew Parchment Golem monster

This is my first attempt to get a review of a monster stat block. If I'm doing something wrong, let me know. My goal for this creature is to be a trash mob, but with enough resistance/immunity to not ...
Xisnue's user avatar
  • 357
1 vote
1 answer
195 views

What makes calculating an NPC's challenge rating difficult? [duplicate]

I've read multiple posts on this site about determining an NPC's challenge rating, most of which mention the difficulty in doing so. I had considered a few things. First, non-combat abilities don't ...
user avatar
12 votes
5 answers
4k views

Are pixies overpowered for CR 1/4?

There is this question about if Conjure Woodland Beings is broken -- due to the fact that you can possibly summon eight pixies with it and multiply our level four spell slot by a factor of eight for ...
Nobody the Hobgoblin's user avatar
8 votes
1 answer
580 views

Converting Oonga from "Isle of the Ape" to 5e

My party of five level 15 PCs is adventuring in my homebrewed conversion of the 1e module Isle of the Ape. I would like the Boss Monster, Oonga, to be a Deadly encounter for the party, so I am aiming ...
Kirt's user avatar
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9 votes
7 answers
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Trouble determining CR or difficulty for homebrew creatures

My dnd campaign is completely homebrew, to the setting, gods, storyline, and even creatures. I did this so I could have more creative freedom, and in creating this world I enjoyed doing so. My problem ...
HomegrownPotatoes 's user avatar
4 votes
2 answers
2k views

How would resistance to non magical weapons change a creature's challenge rating?

Suppose we took a normal monster - say, perhaps, a lion (CR 1) - and gave it resistance to non-magical slashing, piercing, and blunt damage. How much would this affect the threat to a party? I'm ...
Izzy's user avatar
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4 votes
1 answer
463 views

CR for half-green dragon assassin

The party is in Rise of Tiamat and their next encounter will be I am trying to budget for a Deadly encounter, as suggested in the adventure. One of the possible foes to include is a half-green ...
Kirt's user avatar
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15 votes
3 answers
3k views

How can I avoid accidentally deadly encounters from monsters that are more deadly than their challenge rating suggests?

Monster Deadliness: In the DMG (p.82) there is guidance about the calculating encounter deadliness. This is entirely based on the XP of the monsters encountered, and each challenge rating (CR) has a ...
Nobody the Hobgoblin's user avatar
9 votes
2 answers
745 views

How would permanent invisibility affect a monster's challenge rating?

I’m attempting to convert a phantom fungus to fifth edition. The creature is always invisible while alive, similar to an invisible stalker. When calculating challenge rating, how would this ...
Spencer's user avatar
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17 votes
2 answers
5k views

Why is an archmage only CR12?

The monster's manual archmage is overpowered, but has a CR12!? It is a monster with Time Stop from 9th circle, mind blank and teleport. If you put him with some other melee monsters (meat for the ...
Marotta's user avatar
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9 votes
3 answers
19k views

Is there any generalised formula for converting monster CR into XP in D&D 5e?

I am trying to make a spreadsheet to track encounters, and I was wondering if there is any generalised formula I can use to calculate the average XP for any given Challenge Rating, or is it like ...
Atlas Sullivan's user avatar
13 votes
2 answers
629 views

Are NPC Spellcasters with access to Mage Armor generally assumed to have precast it for an encounter in CR calculations?

In about a week I will be throwing a homebrewed CR4 illusionist NPC with an AC of 12 and 15 with Mage Armor at my party. (Essentially a slightly buffed version of the Illusionist on page 214 of Volo's ...
Juoa's user avatar
  • 317
4 votes
2 answers
208 views

What is the closest Pathfinder 1e equivalent to the graboids from the movie Tremors?

Clip What is the closest Pathfinder 1e equivalent to the graboids from the movie Tremors? I'm trying to design an underground dungeon dive for an APL 8 adventure. Wikipedia At nearly 30 ft. long, ...
FrancisJohn's user avatar
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1 vote
0 answers
123 views

Is there a CR balancing system for PCs to be used as bosses against a party? [closed]

I want to make a PC and stick to the build but don't know what level would be appropriate. The party are 5 players in level 3 (CR of almost 4 in the CR system). As a level 15 PC will be way too much, ...
Toma's user avatar
  • 1,147
2 votes
1 answer
276 views

Is this homebrew Crococow a CR of 3?

I'd like answers to detail why the CR proposed is the right one. Specifically are the HP and Attacks combination suitable for CR of 3? With the body of a cow and the head of a crocodile, the Crococow ...
Toma's user avatar
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6 votes
2 answers
2k views

Does reducing the Purple Worm's HP to 184 really reduce its challenge rating to 13?

On page 113 of Princes of the Apocalypse, the text reads in part: As the tremor ends, a young purple worm with 184 hit points (challenge rating 13) burrows [...] No other changes to the Purple Worm'...
mkdir's user avatar
  • 2,704
7 votes
1 answer
219 views

Calculate CR of creatures that share spells (like a hag conven)

I recently got inspired by this stat block, that shows that witches can get more powerful when together. https://www.dndbeyond.com/monsters/green-hag-coven-variant I want to make a similar creature ...
Coolcrab's user avatar
  • 438
12 votes
3 answers
2k views

How can I make a CR 1/2 Imp?

I am new to playing 5e, and my DM is also new to DMing 5e (although they have extensive prior experience as a 3.5e DM). We are interested in using the Sidekick rules presented in Tasha's Cauldron of ...
stevenjackson121's user avatar
2 votes
3 answers
829 views

Can you Wild Shape into a beast with the half-dragon template?

In D&D 5e, Half-Dragon is a template (MM, 180) that can be applied to any beast, humanoid, or giant. When I applied the Red Dragon Wyrmling's dragon breath - which deals 7d6 fire damage in a cone -...
TheDragonOfFlame's user avatar
0 votes
1 answer
251 views

Checking CR calculation for homebrew larger version of Giant Ape

I am considering allowing a larger version of a Giant Ape, in which some of the stats have been embiggened to achieve the low end of CR8. I would appreciate a confirmation that I am calculating this ...
Kirt's user avatar
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6 votes
1 answer
981 views

How does the Evoker NPC statblock have a CR of 9?

The Evoker in Volo's Guide to Monsters (p. 214) is listed as CR 9. However, I just can't figure out how to calculate its CR to get that high a result. AC: 15 (with Mage Armor) & HP: 66 with 2 ...
ConfusedDM's user avatar
2 votes
1 answer
249 views

What challenge rating ('CR') is a Medusa given the textbook NPC-Diviner-Wizard casting ability?

I wanted to give a recurring villain / anti-hero medusa some (15th level) wizard abilities, a.k.a. the N.P.C. Diviner as featured in Vole's or Xanathar's or Tasha's or somewhere. She can use this NPC ...
Timm Jimm Grimm's user avatar
5 votes
1 answer
852 views

Does Spell Resistance scale when advancing a monster?

I just advanced a Canoloth (MM 3, p. 200) as I wanted to use it against a level 14 party. It is originally CR 5, and I wanted to raise it to CR 8. So I added 4 HD (CR+2) and the elite array (CR+1). ...
Giorin's user avatar
  • 5,246
2 votes
1 answer
592 views

What are the rules around challenge ratings for magic users and spell?

I know that different types of creature have their own challenge ratings, and that different versions of the same creature also have them. But what are the rules around determining NPC enemy magic ...
Richard C's user avatar
  • 6,276
8 votes
1 answer
711 views

Does the Archmage’s challenge rating factor in the buffs from its pre-combat spells?

The statblock for the Archmage contains an interesting footnote: The archmage casts these spells on itself before combat. The three spells are: mage armor, stoneskin, and mind blank. These spells ...
Thomas Markov's user avatar
6 votes
2 answers
722 views

How to interpret "round up or down" in monster CR calculation

In the "Creating Quick Monster Stats" section of the DMG (p.274) we are given the procedure for determining the CR of a new DM-designed monster. Step 4 of that procedure (pp.274-275) tells ...
Kirt's user avatar
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6 votes
2 answers
949 views

How would giving a creature a Vorpal Sword affect their CR?

The Vorpal Sword is a legendary magical item that allows heads to be struck from bodies, as well as doing a tonne more damage if it doesn't. A good summary has already been discussed on this site. I'm ...
GPPK's user avatar
  • 3,364
11 votes
2 answers
2k views

What is the AC equivalent of mirror image?

It is suggested (by the DMG) to account for defensive options by assuming increased AC, e.g. +2 AC for magic resistance. I would like to give some of my monsters the spell mirror image as part of a ...
Anagkai's user avatar
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1 vote
2 answers
2k views

How should I convert this character's level and stats into a CR?

This QA's answers along with the DMG say that you calculate the CR for a monster based on its stats but the examples given seem to expect that all the stats line up with one another. For example, a ...
Himitsu_no_Yami's user avatar
10 votes
3 answers
2k views

How dangerous is exhaustion?

I'm interested in adding exhaustion effects to monsters. I might homebrew changes to the exhaustion mechanic, but for now, I'm interested in assessing how dangerous it is if monsters can cause RAW ...
Anagkai's user avatar
  • 16.5k
6 votes
2 answers
459 views

What is the proper CR for this homebrewed Souls-esque NPC?

Returning for another year of a gothic horror adventure, I wanted to try my hand at creating a truly difficult encounter. Following on past my original npcs I opted to turn a certain Dark Souls boss ...
GuidingOlive's user avatar
  • 2,770
14 votes
3 answers
1k views

What is the impact of banishment on CR?

Disclaimer: I know that monster balance is never exact and I don't expect it to be, I'm looking for rough guidelines like they are given in the DMG for many traits. I like to flavor up my monsters ...
Anagkai's user avatar
  • 16.5k
13 votes
2 answers
3k views

How can I make this homebrew Elder Aboleth the CR rating I want it to be?

A party I'm running for are going up against an aboleth as a late-game "boss" (but not the "final boss"). They are currently Tier 4, level 17 to be precise, so a basic CR 10 ...
NathanS's user avatar
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24 votes
2 answers
9k views

Why do red dragons and gold dragons have the same CR?

There are 4 variants of each type of dragon, each corresponding to a specific age. At each age, the red and gold dragons each have the same CR (4, 10, 17, and 24). The dragons are superficially ...
Sargent Spamm's user avatar
5 votes
1 answer
966 views

How powerful is a high-level caster PC with barely any or no equipment?

Let's assume your caster PC has crossed a high-level spellcaster and his minions the wrong way, or was overwhelmed by an army of guards. You are stripped of all equipment save for some clothes on your ...
John Doe's user avatar
  • 2,054
3 votes
2 answers
325 views

How do the damage rules from blogofholding's "5e monster manual on a business card" work?

http://blogofholding.com/?p=7338 Damage: This is the damage budget for all the monster’s attacks. Limited-use (daily, recharge, or situational) attacks do 4x the damage budgeted. Multi-target ...
natlee75's user avatar
  • 182
4 votes
1 answer
239 views

How does my character's awakened mount and 2 awakened companions affect what CR the party can handle?

So some things happened and now I have 3 awaken scrolls. The rules say I don't have to use material components so I can just use them. I also switch with the dm occasionally and run it myself. How ...
user60792's user avatar
  • 648
4 votes
2 answers
147 views

Do non-player monsters add up to CR difficulty and if so how?

I am GM and my group's party is 3 level 4's. They went to a black market and bought two CR 2 creatures. I forget how much they paid but they spent roughly 50 gold. One is a Orc and the other is a ...
Convel's user avatar
  • 43
9 votes
1 answer
1k views

Does adding the Damage Absorption trait to a not-immune creature change its CR?

The DMG has a "Monster Features" table (p. 280), containing traits that can be added onto monsters for customization purposes. One of the traits with no effect on CR listed is Damage Absorption (it ...
Gael L's user avatar
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1 vote
0 answers
76 views

How do save-or-die effects modify CR in 5e? [duplicate]

I have a homebrew monster with an ability that can drop a target to 0 hp if they fail a saving throw. How should this alter its CR?
Ettina Kitten's user avatar
5 votes
2 answers
6k views

What CR would this level 5 wizard "mini-boss" be?

I'm about to start the first session of a big campaign tomorrow night. I have three experienced players and one newbie and I've got a big opener planned. The way things will most likely go in the ...
The SupahSnail's user avatar
19 votes
7 answers
6k views

As a DM, how do you adjust the difficulty to create challenging encounters when your party is well constructed (aka Power Players)

I am a newbie DM and started DMing because our current DM was not bringing a nice and engaging story. I am doing really good on the role playing and storytelling, but my encounters had been nothing ...
MightyMokujin's user avatar
6 votes
1 answer
460 views

How would a major buffing ability effect challenge rating? [closed]

I'm homebrewing a creature that has the ability to summon things that buff its attacks and gives it resistances/immunities. The stat block is shown below. Toadstool Huge monstrosity, unaligned ...
Ben Hess's user avatar
11 votes
1 answer
1k views

How is Challenge Rating (CR) calculated for a mixed group of multiple monsters in regards to the Treasure Table?

I understand that encounters are balanced around exp thresholds in the DMG (e.g. https://rpg.stackexchange.com/a/105360). With that said, there are loot tables in the DMG 136-139 that have "Challenge ...
Ray C's user avatar
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