Knowledge
Restriction: you cannot retryRestriction: you cannot use untrained when DC is higher than 10 unless you have a topic-specific library
DC Base: 10 (easy questions)
DC Base: 15 (basic questions)
DC Base: 20-30 (really tough questions)
Check Frequency: per question
Time: GM discretion
Time: 1d4 hours when using a topic-specific library
Monster Knowledge (identify monsters and their powers)
DC Base: 10 + the monster's CR (common monsters)DC Base: 15 + the monster's CR (rare monsters)
Success: you recall 1 piece of useful information + 1 piece of useful information for each 5 points over the DC
Failure: you don't recall any information about the monster
Specific Knowledge (Arcana)
DC Base: 15 + spell level (identify auras while using detect magic)DC Base: 20 + spell level (identify a spell effect that is in place)
DC Base: 20 + spell level (identify materials manufactured by magic)
DC Base: 25 + spell level (identify a spell that just targeted you)
DC Base: 20 Identify the spells cast using a specific material component
Specific Knowledge (Dungeoneering)
DC Base: 15 + hazard’s CR (identify underground hazard)DC Base: 10 (identify mineral, stone, or metal)
DC Base: 15 (determine slope)
DC Base: 20 (determine depth underground)
Specific Knowledge (Engineering)
DC Base: 10 (identify dangerous construction)DC Base: 15 (determine structure’s style or age)
DC Base: 20 (determine a structure’s weakness)
Specific Knowledge (Geography)
DC Base: 10 (identify a creature’s ethnicity or accent)DC Base: 15 (recognize regional terrain features)
DC Base: 20 (know location of nearest community or noteworthy site)
Specific Knowledge (History)
DC Base: 10 (know recent or historically significant event)DC Base: 15 (determine approximate date of a specific event)
DC Base: 20 (know obscure or ancient historical event)
Specific Knowledge (Local)
DC Base: 10 (know local laws, rulers, and popular locations)DC Base: 15 (know a common rumor or local tradition)
DC Base: 20 (know hidden organizations, rulers, and locations)
Specific Knowledge (Nature)
DC Base: 15 + hazard’s CR (identify natural hazard)DC Base: 10 (identify a common plant or animal)
DC Base: 15 (identify unnatural weather phenomenon)
DC Base: 20 (determine artificial natural of feature)
Specific Knowledge (Nobility)
DC Base: 10 (know current rulers and their symbol)DC Base: 15 (know proper etiquette)
DC Base: 20 (know line of succession)
Specific Knowledge (Planes)
DC Base: 10 (know the names of the planes)DC Base: 15 (recognize current plane)
DC Base: 20 (identify a creature’s planar origin)
Specific Knowledge (Religion)
DC Base: 10 (recognize a common deity’s symbol or clergy)DC Base: 15 (know common mythology and tenets)
DC Base: 20 (recognize an obscure deity’s symbol or clergy)
Final Notes
Bonus In: +2 favored enemyD20: Knowledge