Hall of Doves (D&D)

Game Mechanics for Research at the Hall of Doves
Each topic requires a certain number of successful days of research. Each successful day of research requires a skill check. The skill check is a group check, rolled by everyone contributing to the research. Different contributors can roll different skills. The following modifiers to the skill check are cumulative:
 * Researcher Background trait: Advantage
 * Missing 1 necessary language: Disadvantage
 * Each additional missing language: DC +5
 * Declare a specific topic: DC +2

Celestials
Languages: Elvish, Giant, Celestial
 * Celestial Temple
 * Skills: Arcana, Religion
 * Days: 3
 * DC 15


 * Celestial Justicari
 * Skills: Arcana, Religion
 * Days: 3
 * DC 15
 * How to Reach the Celestial Plane
 * Skills: Arcana, Religion, Survival
 * Days: 3
 * DC 15
 * Origin of the Aasimar
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15
 * History of Celestial Influence
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15

Infernals
Languages: Dwarvish, Goblin, Infernal
 * The Various Infernal Planes and Their Residents
 * Skills: Arcana, Religion
 * Days: 3
 * DC 15
 * Origin of the Tieflings
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15
 * History of Infernal Influence
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15
 * How to Reach the Infernal Planes
 * Skills: Arcana, Religion, Survival
 * Days: 3
 * DC 15

Fae Dells / Siabra
Languages: Elvish, Halfling, Sylvan
 * Locations of Fae Dells
 * Skills: Arcana, Nature, History
 * Days: 3
 * DC 15
 * Dangers of Fae Dells
 * Skills: Arcana, Nature, Survival
 * Days: 3
 * DC 15
 * Siabra Paths
 * Skills: Arcana, Nature
 * Days: 3
 * DC 15

The Panameris
Languages: Giant, Gnomish, Deep Speech, Advanced Mathematics
 * Structure of the Planes
 * Skills: Arcana, Religion, Survival
 * Days: 3
 * DC 10
 * The Navigators' Guild
 * Skills: Arcana, History, Survival
 * Days: 3
 * DC 10
 * Hidden: The Forgotten Gods
 * Skills: Arcana, Religion
 * Days: 3
 * DC 15
 * Hidden: The Sky Key
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15
 * Hidden: The Portal of Morning
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15
 * Hidden: The Gift With Green Eyes
 * Skills: Arcana, Religion
 * Days: 3
 * DC 15
 * Hidden: How To Kill a God
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15

Ante Axum History
Languages: Giant, Primordial, Orc
 * Eterra
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15
 * Locations of Ante Axum Relics
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 10
 * Hidden: The Forgotten Gods
 * Skills: Arcana, Religion
 * Days: 3
 * DC 15
 * The Dawn of Water's Age
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15

Water's Age
Languages: Primordial
 * Elementals
 * Skills: Arcana, Nature
 * Days: 3
 * DC 10
 * The Ahzulan
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 10
 * The Isle of Elysia
 * Skills: Arcana, History, Survival
 * Days: 3
 * DC 15
 * Origin of the Shaolei
 * Skills: Arcana, History
 * Days: 3
 * DC 10
 * Hidden: Hexfane and Mor'ghuul
 * Skills: Arcana, Religion, Deception
 * Days: 3
 * DC 15

The First Kin
Languages: Primordial, Orc
 * The Covenant
 * Skills: Arcana, Religion, History, Nature
 * Days: 3
 * DC 10
 * The Thlossian-Tazitan Split
 * Skills: Religion, History
 * Days: 3
 * DC 10
 * Hidden: The Green Bloodline
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 11
 * Hidden: The Sky Key
 * Skills: Arcana, Religion, History
 * Days: 3
 * DC 15

The Myriad
Languages: Elvish, Halfling, Orc
 * Locations of Artifacts
 * Skills: Arcana, History, Survival
 * Days: 3
 * DC 15
 * Forgotten Magical Places
 * Skills: Arcana, History, Survival
 * Days: 3
 * DC 15
 * The Shadow Academy
 * Skills: Arcana, History
 * Days: 3
 * DC 10
 * Woe
 * Skills: Arcana, History
 * Days: 3
 * DC 12
 * The Ardent
 * Skills: Arcana, History
 * Days: 3
 * DC 12
 * Hidden: The Tale of the Falling Towers
 * Skills: Arcana, History
 * Days: 3
 * DC 12
 * Hidden: Suul Barat, Cyrildrim, and Deathlocking a Dragon
 * Skills: Arcana, History
 * Days: 3
 * DC 15

Recent History
Languages: Varies
 * The Lost Years
 * Skills: History
 * Days: 1
 * DC 10
 * Neitsches' Conquest
 * Skills: History
 * Days: 1
 * DC 10
 * Fall of the Jeceau Empire
 * Skills: History
 * Days: 1
 * DC 10


 * The Return of Magic
 * Skills: History, Arcana
 * Days: 1
 * DC 10
 * Specific Nations
 * Skills: History, certain languages
 * Days: 1
 * DC 10

Specific Deities
Languages: Varies
 * Baal'phet
 * Skills: Arcana, Religion, Infernal language
 * Days: 3
 * DC 16
 * Estansius
 * Skills: Arcana, Religion, History, Sylvan language
 * Days: 2
 * DC 12
 * Thrawn
 * Skills: Arcana, Religion, History, Dwarven language
 * Days: 2
 * DC 12
 * Eterra
 * Skills: Arcana, Religion, History, Giant language
 * Days: 3
 * DC 15
 * The Forgotten Gods
 * Skills: Arcana, Religion, History, Goblin language
 * Days: 3
 * DC 15

The Woe of Haelfaun
Languages: Orc, Goblin, Undercommon
 * Geography of Haelfaun
 * Skills: History, Survival
 * Days: 2
 * DC 15
 * Triggering Woespawn
 * Skills: Arcana, Religion
 * Days: 2
 * DC 12
 * Different Types of Ga'arg and Ghuul
 * Skills: Arcana, Religion, Nature
 * Days: 2
 * DC 13
 * How a Ga'arg Becomes a Ghuul
 * Skills: Arcana, Religion
 * Days: 2
 * DC 13
 * How to Combat Ga'arg and Ghuul
 * Skills: Arcana, Religion, Insight
 * Days: 2
 * DC 15

Engineering
Languages: Varies
 * Shaolei Steam Engines
 * Skills: Survival, Investigation, Gnomish language
 * Days: 2
 * DC 15
 * Siege Weapons
 * Skills: Survival, Investigation, History, Orc language
 * Days: 2
 * DC 15
 * Castle Design
 * Skills: Survival, Investigation, History, Orc language
 * Days: 2
 * DC 15
 * Ship Design
 * Skills: Survival, Investigation, History, Gnomish language
 * Days: 3
 * DC 15
 * Tool Proficiencies
 * Alchemists: Gnomish
 * Brewers: Dwarvish
 * Calligraphers: Halfling
 * Carpenters: Orc
 * Cartographers: Halfling
 * Cobblers: Halfling
 * Cooks: Halfling
 * Glassblowers: Gnomish
 * Jewelers: Dwarvish
 * Leatherworkers: Orc
 * Masons: Dwarvish
 * Painters: Halfling
 * Potters: Halfling
 * Smiths: Dwarvish
 * Tinkers: Gnomish
 * Weavers: Halfling
 * Woodcarvers: Halfling
 * Disguise: Halfling
 * Forgery: Halfling
 * Gaming: Halfling
 * Herbalism: Halfling
 * Musical Instruments: Halfling
 * Navigators: Gnomish
 * Poisoners: Orc
 * Thieves: Halfling
 * Vehicles: Orc
 * Skills: Investigation, Survival
 * Days: 3
 * DC 14

Proficiency Training
Languages: Varies
 * Acrobatics: Halfling
 * Animal Handling: Halfling
 * Arcana: Elvish
 * Athletics: Orc
 * Deception: Goblin or Infernal
 * History: Giant
 * Insight: Elvish
 * Intimidation: Orc
 * Investigation: Dwarvish
 * Medicine: Gnomish
 * Nature: Halfling
 * Perception: Elvish
 * Performance: Halfling
 * Persuasion: Goblin or Infernal
 * Religion: Giant
 * Sleight of Hand: Goblin
 * Stealth: Goblin or Halfling
 * Survival: Orc
 * Skills: Investigation, Perception, Survival, Arcana
 * Days: 3
 * DC 15

Learn a New Language

 * Basics
 * Skills: Performance, Persuasion, Insight
 * Days: 7
 * DC 15
 * Conversational
 * Skills: Performance, Persuasion, Insight
 * Days: 7
 * DC 15
 * Fluent
 * Skills: Performance, Persuasion, Insight
 * Days: 15
 * DC 15