Check out Low poly ruin Temple Walls - 240705 Low-poly 3D model on CGTrader for $29. High-quality mesh by mega-3d: 10000 polys, 5000 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 1.14 GB), FBX (Autodesk FBX, filesize: 583 MB), MAX (Autodesk 3ds Max, filesize: 1.14 GB), TEXTURES (Textures, filesize: 583 MB), BLEND (Blender, filesize: 312 MB)