Talk:Amon/@comment-4759216-20120114234946/@comment-4521003-20120116034221

The chi-blocking didn't have to be the main purpose. It could have been anything, and chi-blocking could be just one of the tools they utilize.

Also, while it might not be secret (or maybe it is, but we don't know), chi-blocking can still be not very wide-spread. I imagine most people have never even heard of chi-blocking in the Avatar world.