Here are two stylized game-ready low poly swords with PBR textures.
Textures pack with 2048²-resolution includes are base color, metallic, roughness, normal (in opengl and directx formats) textures.
Two models have 3718 polygons and 3732 verticles; first sword (highest on preview images) have 1713 poligons and 1719 verticles, second sword (lowiest on preview images) have 2005 poligons and 2013 verticles.
Models were not triangulated.
Models were not tested in Unity or UE4.
Images are rendered in Eevee engine in Blender with HDRI maps.
BLEND (Blender, filesize: 1.29 MB), OBJ (OBJ, filesize: 526 KB), FBX (Autodesk FBX, filesize: 443 KB), GLTF (glTF, filesize: 23.2 MB), DAE (Collada, filesize: 959 KB), ABC (Alembic, filesize: 221 KB), TEXTURES (Textures, filesize: 39.5 MB)