From publisher blurb:
Potbellied Kobold's Guide to Villains & Lairs is a 5E supplement containing villainous NPCs for you to add to your gaming sessions. One of these villains might be the inspiration for your next campagin, or you might add one or two to your current campaign as side-quests, persons of interest, or as onging enemies. These aren't just stat blocks! We proivde you with the villain's history, their motives, flaws, personality, special equipment, unique magic items, and a stat block.
Gamemaster Tools - The book also contains a Gamemaster Tools section, providing you with inspiration and tips for creating your next villain and dangerous lair.
Included in this supplement:
33 villainous NPCs ranging in Challange Rating from 1 to 21
New equipment, treasure, and magic items specific to the villains
Amazing art for each villain
15 beautifully mapped lairs for your adventurers to explore
Gamemaster Tools to help inspire you when creating your own villainouss NPCs and their lairs