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Chapter 13: Pathfinder Legacy / Monster Conversion

Armor Class

Source Starfinder Core Rulebook pg. 501
Starfinder doesn’t use the concepts of flat-footed AC and touch AC, and instead breaks a character’s AC into two categories: Energy Armor Class (or EAC) and Kinetic Armor Class (or KAC). Weapons that deal energy damage (such as a laser pistol) target EAC, while weapons that deal physical damage (such as a longsword) target KAC. When converting a Pathfinder RPG monster to Starfinder, treat its normal AC as its KAC (if the monster functions in a combat role as defined on page 323 of the Pathfinder RPG Bestiary, add 1 to its KAC) and subtract 1 from its normal AC to obtain its EAC. You can ignore the flatfooted AC, because in Starfinder, flat-footed is simply a condition that applies a –2 penalty to both EAC and KAC regardless of the affected monster’s Dexterity bonus.

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Armor Class