Zen ink painting flourished during Japan's Kamakura and Muromachi periods, reflecting the rise of warrior culture and Zen Buddhism. This art form emphasized simplicity, spontaneity, and direct expression of spiritual truths through nature-inspired subjects. Key artists like Muqi, Sesshū, and Josetsu developed techniques using black ink on paper or silk. Their works, featuring landscapes, animals, and Zen figures, embodied core principles of emptiness, impermanence, and intuitive understanding that continue to influence art and aesthetics today.