loom out of
loom out of (something)
To be or become visible by piercing or penetrating some thick, blanketing thing, such as fog, shadow, mist, etc. A huge hooded figure loomed out of the shadows, wielding a knife and demanding that we give him our wallets. The gigantic mountain looms out of the blanket of clouds like an ancient titan.
loom out of something
to appear to come out of or penetrate something. A truck suddenly loomed out of the fog and just missed hitting us. A tall building loomed out of the mists.