This is "Heart and Blade" - one of 3 original battle themes from our game, composed by Japanese composer Yoshino Aoki whose past work includes Breath of Fire III, Breath of Fire IV, Suikoden Tierkreis and several tracks on the Final Fantasy XV soundtrack.
I'm trying to make a basic icon for an executable, I made two color variations. If anyone wants to give an opinion, I would be grateful. I'll add borders later to look better on the Desktop.
(The color palette I made just base)