In "Of Bone and Ash", B.M. Clemton transports us into a vivid world of vivid darkness and ethereal challenges, crafting a novel that not only captivates with its poetic language and complex characters but also by its immersive exploration of power, identity, and redemption. The novel unfolds in the mythical realm of Etranoor, a land where the past shadows are as tangible as the present and secrets are as heavy as the remorse they carry.

The story is intricately woven around two primary characters: Liora, a young woman carrying the burden of her lineage tied to the arcane arts of necromancy, and Elrik, a seasoned warrior with a tormented soul, bound by a vow to protect a kingdom that fears and despises his kind. Their paths cross under the dark auspices of an ancient prophecy, setting them on a collision course with fate that could either save their world or doom it forever.

From the outset, Clemton’s prose thrives on its lush descriptiveness and thoughtful detail. The settings are so vividly depicted that they almost act as characters themselves—from the ashen plains of Yuldra where the sky bleeds crimson, to the bustling streets of Corvenet, bristling with intrigue and danger. This attention to atmospheric detail not only embellishes the narrative but deeply immerses the reader into the world of Etranoor, making each scene palpable and resonant.

Character development is, without doubt, one of Clemton’s strong suits. Liora, with her haunted past and resilient spirit, embodies a relatable combination of vulnerability and strength. Her journey from a reluctant practitioner of her ancestral magic to a formidable necromancer is crafted with empathy and depth. Elrik, on the other hand, provides a compelling contrast. His internal battle, torn between duty and a desire for peace, exposes the human side of a warrior often idolized in fantasy but seldom stripped down to human frailties. The dynamic between Liora and Elrik evolves beautifully—from distrust to mutual respect—demonstrating Clemton’s skill in writing genuine relationship arcs.

The thematic depth of "Of Bone and Ash" is perhaps its most arresting attribute. Clemton delves into the essence of power and its ability to corrupt, to change, and to redefine the boundaries of one’s soul. There is a philosophical undercurrent running through the narrative that challenges the characters’ moral compasses, compelling them to make choices that blur the lines between right and wrong. The exploration of necromancy, often vilified in mainstream narratives, is approached with nuance and intrigue, inviting the reader to question their own biases and understandings of life and death.

Moreover, the plot of "Of Bone and Ash" is meticulously plotted, with twists that are both surprising and satisfying. Every chapter adds a layer of complexity to the story, ensuring that the reader’s engagement never wanes. The pacing is tight, with each scene crafted to either advance the plot or deepen our understanding of the characters and their world. This balance keeps the narrative brisk and compelling, making the book hard to put down.

However, "Of Bone and Ash" isn’t without its minor blemishes. At times, the extensive world-building can overwhelm the uninitiated, and the proliferation of secondary characters can sometimes detract from the central narrative. Yet, these are but small foibles in an otherwise stellar piece of fantasy literature.

In conclusion, B.M. Clemton's "Of Bone and Ash" is a masterful ode to the fantasy genre. With its intricate plot, profound thematic explorations, and richly developed characters, it stands not just as a mere story, but as an epic saga of human frailty and strength. It challenges the reader to dive deep not only into the heart of its world but also into the depths of their understanding. Readers looking for a tale that combines the dark allure of magic with the luminous path of human redemption will find this book a compelling and satisfying read.

For enthusiasts of fantasy who revel in complex character arcs and lush world-building, "Of Bone and Ash" promises an enchanting, thought-provoking journey. Clemton has certainly etched a mark with this novel, creating a narrative as enduring as it is enthralling. This book comes highly recommended for those ready to lose themselves in the shadows of power and the light of resurrection.