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Chapter 2: Building Games / Building Creatures

Building NPCs

Source GM Core pg. 128 2.0
Creatures that are meant to cleave closely to character classes or intended to represent people rather than monsters are NPCs. They might face more scrutiny around their mechanics than creatures because a player can more directly compare their rogue to an NPC who acts like a rogue. That doesn't mean you have to build an NPC exactly like a PC, though.

You can build NPCs just like you would any other creature. If an NPC should work like they have a class, use the class features and feats of a suitable class to pick abilities, and look at both the class's proficiencies and attribute modifiers to determine how strong the NPC's statistics should be. Class Road Maps has prebuilt road maps for Player Core and Player Core 2 classes to get you started.

If the NPC isn't meant to work like they have a class (a baker, for example), instead build the character separately. You can create new abilities as needed to get the NPC's interactions with the PCs to express their theme and role in the story. These NPCs can be level –1 or level 0. Their capabilities are below those of PCs, and they should typically not use any class features or feats from PC classes. Creatures of these levels tend to be extremely simple.

It's highly recommended that you select NPC skills using proficiency ranks as you would a PC, though you don't need to be precise about the number of skill increases you give the NPC. You can give them earlier access to expert, master, or legendary proficiency if they're a skill-based NPC and better proficiency in narrow areas of expertise, like Engineering Lore for a tinker NPC.

Non-Combat Level

Source GM Core pg. 128 2.0
An NPC's level should represent their combat prowess. A common person might not be a combat threat, even if they're important or highly skilled, and they consequently have a low level. However, that doesn't mean they can't present a challenge in other types of encounters. This is represented by a non-combat level and tends to be specific to their area of expertise. For example, a barrister might be level –1 in combat but a 4th-level creature in an encounter related to legal matters.

This can go the other way as well, such as with a powerful combat creature that's not suited to social settings. This is usually the case with creatures untrained in mental skills. You can improvise this as you run the game, or you can plan ahead if you have something particular in mind.

Building an NPC's non-combat level is relatively simple. Choose the level you want the NPC to be for the type of non-combat challenge you have in mind and use the skill numbers for that level—typically high or even extreme. Some challenges, such as social challenges, require the creature to have a high Perception and Will, so in those cases, you should increase those values as well. These should be set at the moderate or high values for the non-combat level, usually, depending on how adept you want the NPC to be.

Non-Combat XP

Source GM Core pg. 128 2.0
The Experience Points gained for besting an NPC depend on how the party overcame them, because XP comes from overcoming a specific challenge. If the PCs defeat the NPC in a non-combat setting of the NPC’s specialty, the party gets XP based on the NPC’s non-combat level. If they just beat the NPC up, the XP would be based on the NPC’s creature level. Quite often, that means 0 XP and failure at the PCs’ objective; for instance, during a baking contest, if the PCs murder the other baker, not only would they be disqualified, but they would likely be charged with a crime.

PC-style Build

Source GM Core pg. 128 2.0
If you do choose to build an NPC fully using the PC rules, your NPC should generally end up being an appropriate challenge as a creature of their level. They will likely have lower statistics in some areas than if you had built them using the creature rules but more options due to their full complement of feats and class features. This is best saved for important, recurring NPCs, especially if they're meant to engage in social or exploration endeavors rather than just battles.

There are still some considerations and shortcuts that can expedite the process while ensuring the NPC works as intended.
  • The creature's treasure should follow the Treasure for New Characters rules. You'll need to account for this in your campaign's overall treasure. You might even want to give the NPC a higher-level item appropriate as a treasure allotment for the level.
  • You can expedite attribute modifier generation by making the starting attribute modifiers add up to +9, with no more than one modifier at +4 (and typically no more than one negative modifier). You can skip adding a background if you do this, but you might want to give the creature two skills, which includes one Lore skill, to represent the skills granted by a background.
  • It's not necessary to assign every skill feat, particularly for a higher-level NPC. You can just pick the most emblematic ones and gloss over the rest.
  • For general feats, Incredible Initiative and Toughness make good choices.
  • Most of the guidelines about choosing spells still apply, though you might want a few more utility spells that deal with non-combat challenges, particularly in low-rank slots.