Does it automatically roll the dice for spell attacks?

The skill provides the necessary formulas and integrates with the dice-roller skill to execute bash commands that perform the rolls using your specific modifiers.

How does the skill determine which spellcasting ability to use?

The skill follows standard d20 rules, associating Intelligence with Wizards, Wisdom with Clerics, Druids, and Rangers, and Charisma with Bards, Paladins, Sorcerers, and Warlocks.

Can this skill manage Warlock Pact Magic?

Yes, it includes specific references for Warlock Pact Magic, which utilizes fewer slots that recharge on a Short Rest compared to standard spellcasting classes.

How are concentration checks handled when a caster takes damage?

The skill automatically calculates the Concentration Save DC, which is either 10 or half the damage taken (whichever is higher), ensuring rule accuracy during combat.

d20 Spellcasting System

Name: d20 Spellcasting System
Author: rjroy

byrjroy

•

Game Development

Manages complex spellcasting mechanics, including DC calculations, resource tracking, and concentration rules for d20-based RPGs.

The d20-magic skill empowers AI game masters to seamlessly handle the intricacies of magical gameplay within d20 systems like Dungeons & Dragons. It automates the calculation of spell save DCs and attack modifiers, tracks spell slot availability across different caster classes, and manages the nuances of concentration checks and ritual casting. By providing a standardized framework for magical resolution, it ensures consistent, rule-accurate gameplay and reduces the manual overhead of running high-fantasy tabletop adventures.

Key Features

01Automated Spell Save DC and Attack Modifier calculations based on class proficiency

02Dynamic spell slot management for full-casters, half-casters, and warlocks

03Integrated dice-rolling commands for spell attacks and saving throws

041 GitHub stars

05Real-time concentration tracking and DC calculation for damage-interrupted spells

06Comprehensive rules for cantrip scaling, ritual casting, and material components

Use Cases

01Resolving complex combat scenarios involving multiple spellcasters and area-of-effect spells

02Managing the mechanical penalties and checks required for maintaining concentration during battle

03Automating resource tracking for spell slot consumption and recovery after long rests

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add rjroy/adventure-engine-corvran d20-magic

For use in Claude.ai and ChatGPT

Download Skill