From publisher blurb:
Akashic Spheres: Unwoven Magic introduces a brand new champion class for Spheres of Might and Power: The Raveler! Wield the power of magical forces known as ravels to grant yourself continuous benefits that can be unwoven to grant you a burst of magical or martial energy which you can use to empower yourself or your spells!
Within this book are new rules for the Spellweaver akashic class as well, reworking its archetypes for the Spheres of Might and Power system and introducing even more options for those archetypes!
This book contains:
The Raveler: A new 20-level class!
21 Ravels: New ravels, one for almost every sphere of magic!
Raveler Archetypes: Five archetypes for the raveler and three variant archetypes further expanding on them!
Spellweaver Archetypes: Eight archetypes for the Spellweaver!
Feats: New feats expanding on the powers of Ravels and allowing other characters to dip their toes into the system!
Magic Items: Three new magic items designed to be used by a ravel weaver!