Le Compagnon is a companion sourcebook for Oltréé!, a French medieval Fantasy RPG. It is designed to be a sandbox game where the PC patrol the land and the player collaboratively helps at the world building with the GM.
This book contains rules clarification, rules for the PCs fort, some factions, and rules to manage or create them. Also it offers new environments for playing, like urban, the abyss, the sea, each with their rules. Port épice (Spice port) conclude the book as a city for an urban setting ready to play in.
The soft cover book include 36 new cards.
Content is in French.