Offensive features usually modify the average DPR or the attack bonus by some fixed value (orc's aggressive increases the DPR by 2, for example).Ģ) defensive: set by the monster's average HP (average over HD). Modified by either attack bonus or save bonus-for every two different from the reference value, the oCR changes by 1 in that direction. I never heard this, where did you get it? it's really usefulIt's an extrapolation from the monster construction rules in the DMG.īasically, each monster's CR comes from two parts averaged together:ġ) offensive: set by average DPR over 3 rounds, considering a best-case (all attacks hit, all aoes hit two people and both fail their saves) scenario.
