Aaaaaah I know which one you're talking about! Very old game in the 80s or 90s, you were only seeing a silouhette knight fighting silouhette monsters. The character proportions were realistic, the sprite was actually pretty big for the time, like one third of screen high if I remember well, background was a reddish dusk, and overall style was very tortured... I have no idea what the name is, though, I hate when it happens, I'll try to look.
(and I realize Google is not very useful when you have only the image in mind...)