As the reels are spun, an old knife drags rivulets of startlingly red blood down the columns as a malevolent piano chord trills. It's actually a strangely hypnotic effect not done proper justice by this writeup.
Meanwhile, just when rigor mortis threatens to overcome a run of cold reels, the bonus round is tripped to (ahem) liven things up a bit. When the vaguely DC Comics horror-looking guy appears, he opens a coffin to reveal ... well, lotsa WILDs.
It's Scary Rich II. Slots, man!
Good thing, too, because (cue ominous music)... Though you noticed nothing at all... Being too distracted by the game... You turned quickly, but too late to realize... You almost... Ran out of money!
(Music crescendos: Jing, jing, jing, jing from that jarring Psycho score. Screams, splash of red, fade to black.)