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Build a monster or encounter

Describe a creature — get a ready-to-run statblock with tactics, a portrait, and an AI battlemap, balanced for your party.

Balance it your way
Any CR, balanced for your party, or a specific CR — low-CR foes auto-scale by count.
A real battlemap
Generate a top-down, grid-ready AI battlemap for the fight.
Run it at the table
Statblock, difficulty, tactics, portrait — export to Foundry & Roll20.
Rules
Difficulty

We pick a fitting creature at whatever Challenge Rating suits it — the quickest option.

Try one:

What it does

Describe a creature and get a ready-to-run D&D 5e statblock in seconds — CR-balanced, with combat tactics, a portrait, and a grid-ready AI battlemap. Pull from the full SRD bestiary in either the 2014 (SRD 5.1) or 2024 (“5.5e”, SRD 5.2) ruleset, or invent something new fitted to the same challenge-rating model. Free, no login.

What you get

  • A complete statblock — AC, HP, attacks, saves, and special traits.
  • A challenge rating (CR) and a difficulty rating for your party.
  • DM tactics — how the creature actually fights.
  • A matching portrait.
  • A top-down AI battlemap, with a grid drawn to scale.
  • Foundry VTT & Roll20 export.

Balance it for your party

Choose any CR, let it balance for your party (set level and size), or pin a specific CR. Swarms and low-CR foes scale by count — eight rats instead of one — so the fight hits the difficulty you want without forcing an oversized single statblock.

Related tools

Frequently asked questions

Is the monster generator free?

Yes — free, no login, no limits.

Does it make AI battlemaps?

Yes — every encounter can generate a top-down, grid-ready battlemap derived from the creature and its locale.

Can it balance an encounter for my party?

Yes — set your party level and size and it targets an appropriate challenge. Low-CR foes auto-scale by count to hit the target.

Can I export to Foundry VTT or Roll20?

Yes — export to both.

Can I pick 2014 or 2024 (5.5e) rules?

Yes — a Rules toggle switches the statblock library between the 2014 (SRD 5.1) and 2024 (“5.5e”, SRD 5.2) monsters. 2024 is the default; 2014 is one click away.

How many monsters does it cover?

Both rulesets: 334 monsters on the 2014 SRD (5.1) and 330 on the 2024 SRD (5.2 / “5.5e”), plus AI-generated creatures fitted to the same CR model.

What is the difference between a monster and an NPC statblock?

Both use monster format. The NPC generator projects a leveled character (class features, spellcasting) into a statblock; use it for named villains and supporting cast.