The castle, bridge, and stone fence were modelled and UV'd in Houdini, textured in Substance Designer and Painter, and rendered in Blender.
The foliage and ground material are from https://www.artstation.com/marketplace/p/wwP6n/nature-asset-pack and https://www.artstation.com/marketplace/p/W8lrK/game-ready-plant-bush-08
The water shader is from https://www.artstation.com/marketplace/p/368Jb/water-shader-for-blender