A very subtle, soft UI hover sound for a dark fantasy pixel art RPG main menu button. Character: like a single quiet stone-on-stone scrape, or a single muffled metallic tap — as if touching a cold iron door handle. Very short (0.1-0.2 seconds). Mostly low-frequency (no bright high-pitched ping). Faint stone texture. Dark, heavy material feel. NOT a bright digital beep. NOT a cheerful pop. Just a barely-there acknowledgment that something has b