Archives of Nethys

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NPC Gallery / Customizing NPCs

Adjusting CR

Source Interstellar Species pg. 151
You might want to change an NPC’s CR to present a more appropriate challenge for the level of the adventuring party. In that case, use the tables starting on page 129 in the Alien Archive to note important statistics such as Hit Points, AC, and attack, saving throw, and skill check bonuses.
Alternatives to adjusting CR include using multiple lower-CR NPCs or giving an NPC only half HP and the shaken condition.