Service is Eternal (5E)

From publisher blurb: We are the First Ones. Lordship is our burden. Obedience is our birthright. Power is fickle. Service is Eternal. The First Ones. Their name conjures images of tyranny and oppression. This book contains all you need to add the First Ones to your game. Explore the dark minds of a First One to discover who they are, how they think, why they are that way. Not only through their history, but through a series of character concepts, including concept twists. Discover the religion of the Dark Gods, the relations of the First Ones with beings from the multiverse. Six type of First Ones, from the magic-obsessed Grexodite to the demonic-infused netherlings, to the mutated spiderlings, to the shapeshifting shogleths. Eleven First One organizations, new archetypes, new backgrounds, new feats, new items types and magic items, new spells, three new horrible monsters, and sample First Ones to serve as masters or opponents Evil has come to 5th Edition. Jammed pack with tools, trics and ways to use the First Ones, this book is the ideal resource for your Saggakar campaign, or to add something dark, evil, and exciting to your own campaign.