It'll "work" in a vacuum, but if everything in the game is produced like that, you will make polygonjesus sad. This is a much better example range of poly use https://www.artstation.com/artwork/zgL2
It'll work, but it's also extremely wasteful. For a shape that simple you don't need anywhere near that many polygons. Do a google image search for "lowpoly axe" and you'll find plenty of examples.