5e DM tool

Encounter Reality Generator

Build a faster, sharper 5e combat scene. Choose party level, class mix, challenge type, and environment. Get a practical recipe, a generic 5e example, and a spoiler-safe Heroes & Creatures recommendation.

Build the encounter

Use the math tool you like for XP. Then use this to make the fight work at the table.

Party classes

This tool never prints stat blocks. Use your rulebooks for numbers, traits, and final CR checks.

Challenge Rating is Broken article preview
Related Portal Log article

Challenge Rating Is Broken

Read the practical guide behind this tool: how to balance encounters with action economy, terrain, objectives, party resources, and monster behavior.

Read the article

Ready when the party kicks the wrong door.

Choose level, party makeup, roll pool, challenge type, and environment. The generator will suggest a practical encounter recipe and a La Notte Eterna monster or NPC pick that fits the scene.