Leder Games - Root: The Riverfolk Expansion

From the publisher - 

A new faction is added to the forest fray.

The Riverfolk expansion includes:

• A New Core Faction: The Riverfolk Company
• A New Core Faction: The Lizard Cult
• An Extra Vagabond
• One Custom Card Holder
• Cooperative Scenarios
• Rules for Bot Play
• and Three Additional Vagabond Variants

This expansion now allows Root to be played with 1-6 players.

https://boardgamegeek.com/boardgame/241386/root-riverfolk-expansion