Presented here is the fourth of eight volumes dedicated to the Way of the Raven Knife Combatives System. This book will take the reader through the blade work methodologies of Master instructor Fernan Vargas, focusing on the key principles and concepts of blade combatives. In this book the reader will be introduced to a unique system of knife combat which draws influences from various blade traditions from Europe, The Americas, and Asia. Also incorporated into the system are the unique insights, explorations and developments of the author, Fernan Vargas. Whether you are a beginner or a seasoned practitioner this book will have something to offer you.