From publisher blurb: Grimoire Viperian adds new flavor and excitement to any game, for both players and GMs alike! The Grimoire Viperian includes: 160+ pages of Pathfinder and OGL compatible content (PDF only available at this time) Intriguing backstory designed to fit in with any campaign Exciting and unusual new base classes: the Shapeshifter and the Pyro 33 unique prestige classes, including many specifically designed for multi-class characters, and many with a serpentine, barbaric, elemental, knightly, assassin or weapon specialist theme: Black Lord - warrior/arcane caster of necromancy/darkness Serpent Warlock - snake form assuming arcane caster Bear/Eagle/Horse/Panther/Snake/Wolf Clan Warchiefs - barbarian warriors with unique and potent animal totem powers Earth Lord - warrior/arcane caster steeped in the secrets of elemental earth Fire Lord - warrior/arcane caster steeped in the secrets of elemental fire Storm Knight - warrior/arcane caster steeped in the secrets of elemental air and lightning Champion of Light - a holy warrior empowered with light and a deadly foe of darkness Knight Heretic - an evil knight trained in the dark arts Knight Inexorable - the quintessential questing knight with an iron will and a thirst for glory Knight of the Black Glade - a knight of the forest trained in druidic ways and with unique powers of his own Knight of Entropy - a knight enslaved to the chaotic powers of entropy, with a corrupting presence Knight of the Death Angel - a warrior/arcane caster type charged with hunting down and slaying or capturing dangerous targets Knight of the Lion Rampant - a noble paladin belonging to the order of the Lion Rampant, more focused on the art of war Cobra Master - a deadly monk whose fighting style emulates cobras and who has attained mystical cobra-like abilities Python Master - a deadly monk whose fighting style emulates pythons and who can assume python form Silent Adder - a deadly monk/rogue (or ninja/assassin) whose fighting style emulates adders and who is skilled with poison Dread Crusher - a master of wielding great crushing weapons, and even dual-wielding them Master of the Flamberge (Greatsword) - a master of the greatsword Master of the Hand Axe - a master of the hand and throwing axes Master of the Razor Scourge - a master of a deadly steel studded whip known as the razor scourge Faceted Conjuror - an arcane caster who has unlocked hypnotic magical mysteries and forces and may conjure ioun stones and figurines of wondrous power Serpent Druid - a druid with a great affinity for serpents, with enhanced serpent wild shape abilities, more powerful snake companions, and other snake-like abilities no other druid can attain Serpent Temple Warrior - a warrior dedicated to and blessed by the temple of a serpent god, who receives special training and unique equipment Serpentine Necromancer - a dread arcane caster who combines his focused knowledge of necromancy and serpentkind in powerful and fearsome ways Snake Cult Leader - a clerical leader of the serpent cult, whose dedication grants her the ability to transform her body in serpentine ways and who has knowledge of secret serpentine ways and magic Temple Assassin - a cleric/rogue who leads a secret life as a spy and assassin for his temple, doing what must be done to stop enemies of the faith Viper Assassin - an assassin trained to strike like a serpent and who relies on poison and a venomous companion to do his work and Winter Warlock - an arcane caster with the icy power of cold and a winter wolf familiar Supernatural Signs of Good and Evil, designed to add customizable powers to any character, villain, or monster, and unique flavor to any campaign or adventure. New “Eldritch Path” feats provide a way for spellcasters to “specialize” in a unique path of themed spells, such as the Secrets of the Grimoire, Secrets of the Fiend, Secrets of the Netherdark, Secrets of the Mist, The Secret of Blades, and more! New spells of all kinds, including many designed with a serpentine theme in mind New monsters and monster templates, such as creatures of Entropy, sentient serpents, deadlier variants of classic venomous snakes (black mamba, gaboon viper, krait, rattlesnake, etc.), serpentine undead, trog trolls, viperian dragons, and more! New magic items, weapons and armor, such as the Sorcerous Helm, Razor Scourge, Angelic Breastplate, Cobra Scale Armor, Black Mamba Scale Armor, Hellreaver Battle Axe, and more!