Core Rules

Yggdrasil uses a modified version of the Chronicles of Darkness system. This section covers the fundamental rules for playing the game.

Essential Reading

New players should start with Getting Started instead of this section.

Required External Resource

Chronicles of Darkness Core Rulebook - The base system Yggdrasil builds upon.

Core System Overview

Yggdrasil uses a dice pool system with these key elements:

Basic Mechanics

• Dice Pool: Attribute + Skill + Modifiers
• Target Number: 8, 9, 10 on d10 (or 5, 6 on d6)
• Success: Meeting or exceeding target number
• Exceptional Success: 5+ successes (3+ with Inspiration)

Key Modifications from Chronicles of Darkness

1. Inspiration System - Replaces Beats/Experiences for heroic moments (see below)
2. D6 Option - Alternative dice system
3. Norse-themed elements - Setting-specific modifications

Rule Categories

Core Mechanics

• Dice Rolling - How to make rolls
• Damage System - Health and injury
• Experience Points - Character advancement
• Size Rules - Different character sizes

Character Traits

• Physical Traits - Strength, Dexterity, Stamina
• Mental Traits - Intelligence, Wits, Resolve
• Social Traits - Presence, Manipulation, Composure

Combat System

• Combat Overview - Basic combat rules
• Weapons - Melee and ranged weapons
• Firearms - Modern weapons
• Healing - Recovery from damage
• Vehicle Combat - Cars, ships, and more

Equipment Section

• Equipment - General gear and tools
• Weapons - Combat equipment
• Vehicles - Transportation

Social Rules

• Social Mechanics - Interaction rules
• Virtue and Vice - Character motivations

Advanced Rules

• Conditions - Temporary character states
• Tilts - Environmental effects
• Breaking Points - Psychological stress
• Sacrifices - Trading traits for power
• Power - High-level abilities

Quick Reference

• Character Creation - Creation summary
• Combat Reference - Combat quick rules
• Probability Tables - Dice odds

The Core Rules

1. The Storyteller is Always Right

The Game Master has final authority on rules interpretations and story decisions.

2. The Rule of Cool

If something would create an awesome story moment, find a way to make it work within the rules.

Inspiration System

Replaces Chronicles of Darkness Beats

Characters gain Inspiration by doing something epic or especially notable.

Inspired Condition: - Your character is deeply inspired - When taking actions related to that inspiration, you may resolve this condition - Benefits: Gain a Willpower point and treat 3+ successes as Exceptional Success (instead of 5+) - Resolution: Use the condition for its benefit

Using These Rules

For Players

• Focus on Getting Started first
• Reference specific sections as needed during play
• Use Quick Reference for common rules

For Game Masters

• Master the Core Mechanics first
• Understand Combat and Social systems
• Use Advanced Rules selectively based on your campaign

Learning Path

1. Start: Getting Started Guide
2. Create: Character Creation
3. Play: Basic Concepts
4. Reference: Return here for specific rules during play

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Remember: These rules serve the story. When in doubt, make a decision that keeps the game moving and creates interesting consequences.