Instantly unlock the It Came From Hollow Mountain Rulebook on Roll20! This is an integrated, searchable rules reference available directly in your browser. Key features include:
Web-Based Rulebook. Access the complete, searchable rules online anytime.
Roll20 Tabletop Rulebook. Available in the Roll20 Tabletop, allowing you and your players to reference it easily during game sessions.
Roll20 Characters Rulebook. Incorporates seamlessly into Roll20 Characters, helping you and your players manage characters online and off.
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