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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27
votes
4answers
11k 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 (2d10+...
23
votes
3answers
22k views

If I design a PC for use as an NPC, how much XP should he give when killed?

As part of an early quest, my PCs are likely to face off against a wizard. The problem here is that the stat block for Mage NPCs listed in the Basic Rules has a Challenge Rating of 6, while the PCs ...
16
votes
4answers
2k views

How does the summoning ability affect the encounter difficulty?

The Drow Mage (CR 7) has the Action Summon Demon (1/day), which allows him to summon a shadow demon (CR 4). Is the shadow demon already included in the CR of the Drow Mage, or do I have to count the ...
17
votes
3answers
38k views

Is there a playable correlation between CR and level in 5e?

Let's say that I'm about to run a combat-heavy 3rd level one-shot for a group of players. Balance and challenge rating is still very important, but one of my players says he'd like to play a humanoid ...
1
vote
1answer
239 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 ...
11
votes
3answers
8k 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 ...
9
votes
2answers
4k 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: ...
7
votes
1answer
201 views

Calculating CR of monsters that do not deal calculable damage

How do I calculate the challenge rating of monsters that feature abilities that do not directly do damage? For example, my homebrew monster has the two following abilities: The target takes a ...
5
votes
1answer
507 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 ...
3
votes
1answer
303 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 ...
22
votes
8answers
9k 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 ...
7
votes
1answer
3k 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 ...
8
votes
2answers
2k 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 ...
7
votes
2answers
386 views

How would giving Hydra a Breath Weapon affect game balance and CR?

I wanted to spice up a fight I'm planning for my party by giving a Hydra a Breath Weapon. I'm flexible on the specifics, but the change would effectively be described as such: Actions Multiattack. ...
5
votes
1answer
2k views

How do I calculate the CR of a monster that spends their turns healing?

My question is about magic and monster CR. I was building a CR 10 Cleric with capabilities of healing himself and others, but I don't see any rules about calculating CR for a monster that expends his ...
11
votes
4answers
1k 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, ...
10
votes
3answers
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 ...
9
votes
3answers
561 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 ...
8
votes
2answers
1k views

Are these homebrew metallic/chromatic pseudodragons the same CR as RAW pseudodragons?

Pseudodragons are Tiny CR 1/4 dragons, but they're not quite dragon-like enough for my purposes. I want to homebrew some alternative stat blocks to the pseudodragon so that they more so resemble the ...
8
votes
1answer
4k 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 ...
4
votes
2answers
1k views

What is the effect on a creature's CR if it can choose to hit on a miss?

Background: We're playing a high-powered god-centric game where players are direct agents of gods of a pantheon I created. For the next session, I want to surprise them and throw in a couple of ...
1
vote
2answers
140 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 ...
0
votes
1answer
3k 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 ...