Monsterbrew
Premium and item sync

Build D&D 5e stat blocks
the easy way

A free monster maker for D&D 5e creatures and magic items. Type in the stats and the stat block works out the rest.

Start Brewing

Owlbear

large monstrosity, unaligned

AC 13 (natural armor)

Initiative +1 (11)

HP 59 (7d10 + 21)

Speed 40 ft., Climb 40 ft.

ModSaveSTR20+5+5DEX12+1+1CON17+3+3
ModSaveINT3-4-4WIS12+1+1CHA7-2-2

Skills Perception +5

Senses Darkvision 60 ft. Passive Perception 15

CR 3 (XP 700; PB +2)

Actions

Multiattack. The owlbear makes two Rend attacks.

Rend. Melee Attack Roll: +7, reach 5 ft. Hit: 14 (2d8 + 5) Slashing damage.

Open the Owlbear in the SRD library

Bulette

large monstrosity, unaligned

AC 17 (natural armor)

Initiative +0 (10)

HP 94 (9d10 + 45)

Speed 40 ft., Burrow 40 ft.

ModSaveSTR19+4+4DEX11+0+0CON21+5+5
ModSaveINT2-4-4WIS10+0+0CHA5-3-3

Skills Perception +6

Senses Darkvision 60 ft., Tremorsense 120 ft. Passive Perception 16

CR 5 (XP 1,800; PB +3)

Actions

Bite. Melee Attack Roll: +7, reach 5 ft. Hit: 17 (2d12 + 4) Piercing damage.

Deadly Leap. The bulette spends 5 feet of movement to jump to a space within 15 feet that contains one or more Large or smaller creatures. Dexterity Saving Throw: DC 15, each creature in the bulette's destination space. Failure: 19 (3d12) Bludgeoning damage, and the target has the Prone condition. Success: Half damage, and the target is pushed 5 feet straight away from the bulette.

Multiattack. The bulette makes two Bite attacks.

Open the Bulette in the SRD library

Young Red Dragon

large dragon, chaotic evil

AC 18 (natural armor)

Initiative +0 (10)

HP 178 (17d10 + 85)

Speed 40 ft., Climb 40 ft., Fly 80 ft.

ModSaveSTR23+6+6DEX10+0+4CON21+5+5
ModSaveINT14+2+2WIS11+0+4CHA19+4+4

Skills Perception +8, Stealth +4

Immunities fire

Senses Blindsight 30 ft., Darkvision 120 ft. Passive Perception 18

Languages Common, Draconic

CR 10 (XP 5,900; PB +4)

Actions

Fire Breath (Recharge 5-6). Dexterity Saving Throw: DC 17, each creature in a 30-foot Cone. Failure: 56 (16d6) Fire damage. Success: Half damage.

Multiattack. The dragon makes three Rend attacks.

Rend. Melee Attack Roll: +10, reach 10 ft. Hit: 13 (2d6 + 6) Slashing damage plus 3 (1d6) Fire damage.

Open the Young Red Dragon in the SRD library

Medusa

medium monstrosity, lawful evil

AC 15 (natural armor)

Initiative +3 (13)

HP 127 (17d8 + 51)

Speed 30 ft.

ModSaveSTR10+0+0DEX17+3+3CON16+3+3
ModSaveINT12+1+1WIS13+1+4CHA15+2+2

Skills Deception +5, Perception +4, Stealth +6

Senses Darkvision 150 ft. Passive Perception 14

Languages common plus one other language

CR 6 (XP 2,300; PB +3)

Actions

Claw. Melee Attack Roll: +6, reach 5 ft. Hit: 10 (2d6 + 3) Slashing damage.

Multiattack. The medusa makes two Claw attacks and one Snake Hair attack, or it makes three Poison Ray attacks.

Poison Ray. Ranged Attack Roll: +5, range 150 ft. Hit: 11 (2d8 + 2) Poison damage.

Snake Hair. Melee Attack Roll: +6, reach 5 ft. Hit: 5 (1d4 + 3) Piercing damage plus 14 (4d6) Poison damage.

Open the Medusa in the SRD library

The monster creator that does the math

Action text uses structured {@…} tags to calculate damage. Write str where a number would go, and the value follows the Strength score. Try it on the Owlbear.

What you type

{@attack m|str|5|2d8 + str|slashing}

What the Owlbear's stat block shows

Rend. Melee Attack Roll: +7, reach 5 ft. Hit: 14 (2d8 + 5) Slashing damage.

STR20 (+5)
Damage2d8

Your library stays on your device

Creatures, magic items and collections are saved in your browser. No account needed. Optionally, you can create an account to sync your library.

Collections
Group creatures and items for a session or a campaign. Item collections print as A4 sheets of cards.
Import
Bring creatures in from 5eTools, Open5e, Improved Initiative and TetraCube.
Export
Creatures go out to Homebrewery, FoundryVTT, Improved Initiative, PDF, PNG or Monsterbrew JSON.
Backup
Sign in with Discord to back up 20 creatures and items for free. Your local copy always stays.
Open your library

Creature building guide

Learn how to build a balanced and exciting monster

Not sure where to start? The guide walks you through monster design with the 2024 rules. It covers the numbers behind challenge rating, how to budget offense and defense, and the pitfalls that happen to most homebrew.

Read the guide Quick reference
  1. 01Fundamentals of monster design
  2. 02Challenge rating in practice
  3. 03Offense and defense budgets
  4. 04Traits, actions, and flavor
  5. 05Common pitfalls
  6. 06Playtesting and iteration

Announcements

What's new

View all

FAQ

Frequently asked questions

What is Monsterbrew?
Monsterbrew is a free, browser-based monster statblock builder for D&D 5e. You enter a creature's abilities and stats, and it produces a complete, correctly formatted 5e statblock with modifiers, saving throws, and hit points calculated for you.
Is Monsterbrew free to use?
Yes. Monsterbrew is completely free and requires no account or sign-up. Your creatures are saved locally in your browser.
Can I import monsters from other tools?
Yes. Monsterbrew imports statblocks from Improved Initiative, TetraCube, Open5e, and 5eTools, and exports to Homebrewery V3 markdown, Improved Initiative JSON, FoundryVTT, PDF, PNG, and Monsterbrew JSON.
Does Monsterbrew include official D&D monsters?
Yes. The library includes the full D&D 2024 SRD bestiary: over 300 monsters you can browse and copy into the editor as a starting point for your own homebrew creatures. The SRD is published by Wizards of the Coast under the Creative Commons Attribution 4.0 license.
Does Monsterbrew support the D&D 2024 rules?
Yes. Monsterbrew is built for the 2024 rules. The library ships the full 2024 SRD bestiary, the creature building guide uses the 2024 challenge rating benchmarks and the statblocks you build work at any 5e table.

Ready to brew your first monster?

Or got homebrew to share or a question? Come say hi on Discord.

Start Brewing DiscordJoin the Discord