The crystal sword, at first glance, may seem fragile and incapacitated, but is it? I propose to test this in a real battle.
Model triangulated
Game Ready model (low poly) - Triangles: 5.5k, Vertices - 3.3k
Texture size - 2048x2048(PBR)
OBJ (OBJ, filesize: 6.17 MB), FBX (Autodesk FBX, filesize: 6.3 MB)