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Does anyone have specific rules they use to determine a skill check's difficulty class for players?

I've been using this rule of thumb:

  • DC 5 = Very Easy
  • DC 10 = Easy
    ...
  • DC 35+ Extremely Hard

However, this doesn't really work as players level up.

Specifically, I've got a player with a fighter (level 14) that has a +26 Intimidate. Granted in most cases he is going to pass his intimidate check, but I need a good scale for things.

I originally thought of doing this:

  • Easy = Must roll 5 or higher (regardless of skill ranking)
  • Medium = Must roll 10 or higher (ditto)
  • Hard = Must roll 15 or higher (ditto)
  • Very hard = Must roll 18, 19 or higher

However, this doesn't always cover every scenario. If my fighter wants to intimidate a black dragon, that might scale based on level, the dragons intelligence, etc.

This could also apply to Disable Device and other checks.

I know the most common answer is going to be "Determined by the GM", but I like using formulas for things to make it simpler and easier for larger campaign calculations.

Is there a formula that you use that would make this a bit easier to figure out?

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Generally speaking, this site is much more effective if you ask questions about the specific problem that you're having. Different skills work differently; there's not necessarily a good one-size-fits-all solution for their DCs (though maybe there could, or should, be). This question will probably receive more and better answers if it is focused on the particular problem that you're having, with the high Intimidate bonus. –  KRyan Aug 25 at 19:37
    
Can you give a short explanation of how the character got a +26 bonus to a skill? I'm trying to work it out, but it requires having a few feats and a charisma or strength stat in the mid-twenties. –  Red_Shadow Aug 26 at 15:33
    
14 ranks + 3 for class bonus + Intimidating prowess and a total of +9 from STR and CHA is the best I could do. –  Red_Shadow Aug 26 at 15:40

1 Answer 1

up vote 15 down vote accepted

A +29 on Intimidate is a very large bonus. Especially on a fighter, who has few skill points and little use for Charisma in most cases; almost all of that is probably from skill ranks, which implies a very high level character.

Such a person should be trivially succeeding on attempts to demoralize most anything. Anything short of an actual god should be an easy target for this guy’s demoralizing. He’s that good. Demons quake and angels shudder before his fearsome gaze. And so on.

The DC to use Intimidate is not based on the chart you gave, however; see the entry for the Intimidate skill on PFSRD:

Demoralize

[...] The DC of this check is equal to 10 + the target’s Hit Dice + the target’s Wisdom modifier.

Influence Attitude

[...] The DC of this check is equal to 10 + the target’s Hit Dice + the target’s Wisdom modifier.

So you can see that the DC scales with the target you are facing. Assuming the fighter’s Charisma is the same as the target’s Wisdom, and they are the same level, and neither has any relevant special bonuses, his average roll is only 3 higher than the target’s DC (from the +3 for Intimidate being a class skill). That gives him a 65% chance of success; good, but certainly not great.

If the target is higher in level, or Wisdom relative to his Charisma, or has other bonuses, that 65% chance quickly becomes 50:50 or worse, which makes even trying to intimidate a fairly risky move (in combat, it wastes time that could be spent attacking, out of combat, it pisses the target off).

But since the fighter is high-level, or has an unusually high Charisma and/or sizable extra bonuses, he’s basically guaranteed to terrify lower-leveled characters. This is a good thing; it represents his training, prowess, and so on. The table you give that ignores the player's bonus completely defeats the purpose of having that bonus, which is really bad for the game: it means the character's training and Charisma and other bonuses are meaningless.

As for Disable Device, for mundane traps it has more static DCs that don't necessarily scale. This is fairly appropriate; there's a limit on how complex a machine is reasonable in the kinds of gameworlds typically seen in Pathfinder. In an unusual setting, you could imagine more complicated machinery that requires higher checks and/or specialized training. Even within Pathfinder, an Amazing lock has a DC of 40, which is very difficult even for high-level characters to make.

Plus magic traps have scaling based on the spell level used to make it, and only those with Trapfinding can even try to make the check.

But again, many checks are going to be very easy for high-level characters. This is intentional. They are high-level; they are supposed to be good at what they do. In a lot of cases, they really aren’t that good at what they do; using magic tends to work much better than using a skill.

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This is a great answer! I do need to look at how the character is being skilled up though. Looks like he is over powered by mistake. –  Jason Heine Aug 25 at 19:42

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