The Ancient Realms — Hollow Adventures is a system-neutral, interactive, dark low-fantasy adventure supplement with an artistic and thematic old-school feel that you can adjust to any tabletop roleplaying game system.
It contains:
One regional map — East Old World.
A town map — Winsong
Five dungeon maps
Characters.
Magic items.
To construct your adventure, you use the mini icons index, tables, maps, NPCs, and items.