From publisher blurb:
Let yourself be whisked away to the world of the fey!
The critically acclaimed masquerade reveler is a mysterious warrior that draws upon the primal powers of the realm of Faerie to gain a versatile assortment of abilities from her many masks, infusing herself with eidolon evolutions for a limited time. The basic concept is simple, but the customization can be intense.
The Secrets of the Masquerade Reveler contains everything you need to play a compelling masquerade reveler (barbarian archetype), whether you're a beginner or a veteran, including:
Over 101 prebuilt masks, including masks so you can emulate the iconic powers of every fey in the Pathfinder Roleplaying Game (and beyond)
Powerful forbidden masks to unlock, including two masks specifically for Mythic masquerade revelers so you can experience the true power of barbarian pacts with the fey.
Over 101 new evolutions specifically designed for masquerade revelers, so you can create a truly unique character.
New feats and magic items for masquerade revelers and their allies to customize your character even further.
Vignettes and witticisms from the world of Faerie written by Melusine, the iconic masquerade reveler, to enhance you immersion in this unique barbarian archetype.