Some very basic shader tutorials?

Unity Shader Programming: Beginners to Advanced Techniques

Shader Development using Unity

Shaders! (Performance Version) addon - The Sundering: Struggle for the Old World mod for Medieval II: Total War: Kingdoms

Winthor Medieval Texture Pack 1.20.6 / 1.19.4 | Download

Medieval Dynasty - Rustic Realism ReShade Preset

Shader Effects - Color Theory - Awwwards

[Released] 2D Effects Creator - Node-Based 2D Shader Effect Creation Tool