D20 Advanced Wiki
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Character Module Dark Skills
How Skills Work Skill Basics
How Skills Work
Skill Descriptions Skill Descriptions
Skill Feats
Advanced Options Creating Skills
Mini-Modules Mini Module: No Skills
Mini Module: Particulate Skills
Mini Module: Skill Challenges
Mini Module: Extended Skill Checks

Skills are learned traits acquired through a combination of training (the skill ranks) and natural talent (an ability score). Each skill has a rank, used as a modifier to the check when using the skill. To use a skill roll:

d20 + skill rank + ability modifier + miscellaneous modifiers


The higher the roll, the better the result. You're usually looking for a total that equals or exceeds a particular Difficulty Class (DC) or another character's check total.

  • Skill Rank: Your rank in a skill is based on the number of points you have invested in skills. If you have ranks in a skill you're considered trained in that skill. You can use skills even if you don't have any ranks in them, known as using a skill untrained.
  • Ability Modifier: Each skill has a key ability, the ability modifier applied to the skills checks. Each skill's key ability is noted in its description and on the Skills table.
  • Miscellaneous Modifiers: Miscellaneous modifiers to skill checks include situational modifiers for favorable or unfavorable conditions, modifiers from feats or FX, or negative modifiers for not having proper tools, among others.

Acquiring Skills[]

Characters gain skill ranks by spending character points at the cost of 1 skill rank per character point. Skill ranks do not all need to be assigned to the same skill. Characters can perform some tasks without any training, using only raw talent (as defined by their ability scores), but skilled characters are better at such things. Characters with the right skills and feats can even hold their own against opponents wielding supernatural powers.

Skill Cost = 1 character point per skill rank.


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