A demon who might want to corrupt a woman won't start by asking for her soul.

But that would be the ultimate goal, yes?

(Why specify a woman?)

Even today there are still Christians who consider certain New Age practices immoral. Hypnosis doesn't involve summoning the devil and making a bargain with him. It's still considered to be a dark practice by many Christians.

So is karate. What's your point?

Genemanipulated food would be a modern example where some Christians object that the practice is violating "natural law". Craig Venter has to defend against the charge of playing God. According to that Christian perspective biologists are supposed to study how nature works instead of changing it.

Similar things are true for opposition to cryonics. The person who get a contract with Alcor isn't a Satanist. He still sins, by trying to escape God's plans for how human's are supposed to live.

... Huh.

So ... metallurgy is also sinful because God intended ores to be impure and buried? ALL OF MEDICINE is evil because we're messing up His plans for that disease? Interracial marriage is bad because God created the races separate? (That last one is both the least plausible and also the only one that was actually made, AFAIK.)

EDIT: fixed some typos.