Everdell: Spirecrest

From BoardGameGeek.com:

Far beyond the comfortable borders of the Everdell Valley, deep in the mysterious and uncharted lands, adventure is waiting to be discovered. Spirecrest adds several exciting and challenging new mechanics and features to the Everdell base game, including:

Weather cards that impose challenging limitations to overcome.

Discovery cards let players encounter intrepid new critters and locations on their journey, providing unique new strategies and abilities.

Big Critters are unique workers with interesting and helpful abilities, who also serve as trusty mounts.