Well i find animation a bit hard yet so I thought with bigger squares it would be easy, just that.

I'm referring to why the fire and eyes are made out of larger squares than the silhouette and background elements.

I don't get what you mean, the character is supposed to be pretty close (with kind of more details in his hair) while the city is supposed to be a bit farther if that's what you mean.

Is there any reason that you've mixed multiple zoom levels here? It looks rather strange to me.