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Mastering Intrigue / Influence / Individual Influence

Influence Check

Source Ultimate Intrigue pg. 102
Without a successful discovery check, a PC attempting an influence check must guess what an NPC’s influence skills are. A PC generally gains no benefit or hindrance when using a skill that cannot influence the NPC, though the GM may rule that multiple fumblings annoy the target and impose penalties on future rolls. Guidelines for setting influence check DCs appear Discover and Influence Check DCs under Individual Infleunce.

The PCs usually must succeed at more than one influence check to sway an NPC. No matter how many PCs speak to the same NPC, only one check to influence that NPC can be attempted during that phase. Additional checks serve as aid another attempts tied to the principal check. Succeeding at an influence check by a substantial margin provides additional benefits. Succeeding at an influence check by 5 or more counts as succeeding at an influence check and a discovery check (the PC chooses whether to learn one of the skills that influences the NPC, one of the NPC’s strengths, or one of the NPC’s weaknesses after the check is rolled instead of before the check, but the check otherwise functions as a successful discovery check). Succeeding at an influence check by 10 or more allows the PC to choose between gaining the benefit of succeeding at two influence checks or the benefits of an influence check and a discovery check (as if she had succeeded by only 5 or more).

Failing an influence check by a substantial margin makes it harder to influence the target in the future. If a PC fails an influence check by 5 or more, she cannot attempt to influence that NPC using the same skill for the remainder of that social encounter. A PC who fails an influence check by 10 or more cannot influence that NPC for the rest of the social encounter at all. For example, if the NPC’s influence skills are Diplomacy and Knowledge (arcana), a PC who fails a Diplomacy check against that NPC by 5 or more can still attempt to influence the NPC with Knowledge (arcana). These restrictions also apply to aiding another—a PC who fails by 10 or more irritates the NPC to the point that the party can no longer take advantage of her assistance.

A PC doesn’t necessarily realize whether or not she has succeeded at an influence check unless she succeeds by at least 5, but a character always knows when she has achieved the maximum possible influence over an NPC. Some NPCs might act as if they were being influenced even if they have no intention of listening to the PCs.

The GM may wish to limit the number of PCs who can interact with a single NPC during a phase. After all, the NPC can hold a conversation with only so many people at once, and if six characters cluster around, the interaction may seem more ominous than intended. Limiting the number of PCs who can simultaneously interact with an NPC to two or three (with the other PCs attempting discovery checks or focusing on other NPCs), helps the encounter flow briskly and prevents a single PC from taking too much of the spotlight.

Once the PCs succeed at a certain number of influence checks, they gain sway over that NPC, changing his opinion on an issue, earning a favor, or otherwise gaining some benefit or removing an obstacle.