We all have our favorite factions that we want to see in game. And im sure we have all thought in our heads what and how we want to see them implemented. For me its the Sisters of Battle I want to see them charging under the banner of the imperium alongside the space marines to smite the Alien, the Mutant, and the Heretic. When you make your Sister of Battle (And I hope their "Psyker" unit will be a Confessor or Deacon) at the top of the screen will be a Faith bar which is a global bar filled by all SoB's by completing objectives and lets the individual Sisters access their Acts of Faith. As for the grand scheme of things I would like to see the War Council be able to use mass amounts of faith to accomplish certain battlefield abilities. Thats just one idea I had floating around how about all you Necron/Tau fanboys what do you got!