Which branch of philosophy deals with the nature of “reality”?

The question asks about the branch of philosophy dealing with the nature of "reality."

• Metaphysics is the correct answer. It is the branch of philosophy concerned with the fundamental nature of reality, including the relationship between mind and matter, substance and attribute, and potentiality and actuality. It explores profound questions like "What is existence?" and "What is the nature of being?"
• Epistemology is incorrect because it deals with the nature of knowledge, its acquisition, and justification (e.g., "How do we know what we know?").
• Axiology is incorrect as it focuses on the nature of value, encompassing ethics (moral value) and aesthetics (artistic value).
• Logic is incorrect because it is the study of valid reasoning and inference.

Therefore, Metaphysics is uniquely dedicated to understanding the ultimate nature of reality.