The Bible and several other self help or enlightenment books cite the Seven Deadly Sins. They are: pride, greed, lust, envy, wrath, sloth, and gluttony. That pretty much covers everything that we do, that is sinful. . . or fun for that matter.
Richard began to understand darkness: darkness as something solid and real, so much more than a simple absence of light. He felt it touch his skin, questing, moving, exploring: gliding through his mind. It slipped into his lungs, behind his eyes, into his mouth.