Board Thread:Questions and Answers/@comment-76.225.60.46-20130519011017/@comment-24246403-20131220132716

There's no real good reason for that, other than to expand our working knowledge. I personally feel that cost is too high and would prefer everyone never put themselves in mortal danger just to prove a tech.

There are other ways to make a blade without resorting to blood. Ways that are also perpetually with the practicioner.