I had Death spells specifically in mind during part of the development process for this particular spell. As for whether or not it has been tested...it saved someone's life when we were standing against that demonic army.

[If he looks a little smug right now, well...he has reason to, doesn't he?]

I do, however, try not to advertise my mastery of such spells. I fear it would simply encourage a certain segment of our population to be more reckless.