Effective HP and Damage

19 minute read

How to represent creature defensive and offensive strengths in effective terms that don’t require calculating chances to hit or save against an enemy creature.

XP and Encounter Balancing

14 minute read

A detailed explanation of where XP comes from and how encounter balancing works.

Rounds of Combat Per Day

6 minute read

How many rounds should combat take? And how does encounter difficulty affect the number of rounds in a full adventuring day?

Valuing Conditions

18 minute read

How strong are conditions in 5th edition D&D?

Variability: Attacks

17 minute read

How do we account for variability of attack rolls in D&D?

Variability: Saves

18 minute read

How do we account for variability of saving throws in D&D?

Initiative Probabilities

16 minute read

How likely are you to roll higher than your opponent in initiative? How often will you go first or second? This post looks at the math behind initiative orde...