Royal Guard Spear Low-poly (Polygon mesh 3D model) is available on CGTrader for $5. Original author: Forge-Studio. Specs: 2478 polys, 1278 verts.
STL (Stereolithography, filesize: 121 KB), OBJ (OBJ, filesize: 260 KB), 3DS (3D Studio, filesize: 54 KB)