Stealthy Priest

[Jagdpanther]

I'm playing LA Man and have come across a province that lets me recruit Daoine Sidhe which are stealthy and holy. I want to use them behind enemy lines as raiders and I want to bless them. So how do I get a stealthy priest leader? Is there something I can forge that will make a priest stealthy? What about something that will give a stealthy leader the ability to bless?