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Book 5:
Decursus Defensionis

Building Your Defense 

No one is coming to save you. If you cannot protect yourself, you are already at the mercy of whoever is willing to use force—physical, psychological, or systemic—against you. Safety is not about luck; it is about preparation. The world does not reward those who assume they will be spared. It rewards those who know how to recognize danger, respond effectively, and ensure they are never an easy target. This book is about making sure you are ready before you need to be.

The chapters in this book focus on self-defense, preparedness, and strategic positioning. Peritia in Tenebris (Mastery in the Dark) is about hidden skills—the knowledge you must have but never announce. Ornatus (Adorned) examines how appearance, presence, and perception can be tools of control. Defencio (Defense) teaches you the practical skills you need to protect yourself and others. Telum (Weapon) explores the tools you may need to wield—physically, mentally, and strategically. Ars Utilis (Useful Arts) covers the skills that make you self-sufficient, because reliance on others is a vulnerability. Ut Sola (Standing Alone) ensures that when the moment comes, you are not dependent on someone else to stand in your place.

Defense is not about fear; it is about control. It is the difference between hoping someone will protect you and knowing you can protect yourself. It is about removing yourself from the list of easy targets, about making sure you are never the one left unprepared. The strongest people are not the ones who seek conflict, but the ones who are never caught off guard. This book is about making sure you are one of them.

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Peritia in Tenebris

Learn how hidden competencies, such as self-defense, become essential when open preparation is not an option.

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Ornatus

Learn how understanding the power of visual presentation can be a form of protection.

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Defencio

Learn how building self defense skills ensures that you are never an easy target.

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Telum

Explore the tools and weapons you may need to wield: physically, mentally, and strategically.

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Ars Utilis

Learn how self-sufficiency and technical skills, reduces reliance on external systems.

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Ut Sola

Learn to fight your own battles, rather than outsourcing to those with less agency.

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