Gloombough Groveglider
The Gloombough not only have uniquely dark coloring, but are entirely nocturnal, making them one of the rarest tree-dwellers to spot in person.
Source
In-Game Shop
The Gloombough not only have uniquely dark coloring, but are entirely nocturnal, making them one of the rarest tree-dwellers to spot in person.
In-Game Shop
Adventurers’ notes