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Use these guidelines to create an original monster to challenge your characters in combat. You can build a monster ahead of time or on the fly during a game session.

To decide what CR will best challenge the adventurers, decide on the difficulty of the matchup and use the encounter building tool or use one of these shortcuts:

  • For a single monster against the entire party: CR = total character level / 3

  • For one monster per character: CR = average character level / 3, rounding up