An Expanded Bestiary of Goblins
From the introduction:
A group of rolling rock-goblins appears! Aquatic goblins leap from the water! A goblin knight initiates a duel!
This product provides 22 additional types of goblins, ranging from CR 1/4 to CR 5, to expand the options you have when running encounters with goblins. Now you can run into goblins anywhere you go, from the depths of the Underdark to the heart of a volcano!