To activate the console, press the tilde (~) on your keyboard. If you don’t want to bring out cheat engine and meddle with the scripts, you can still make your crusading more fun by using the Crusader Kings 2 Console Commands. Read this too: Dungeon Fighter Online Classes Using the Cheat Table to Change Character Age And then turn it OFF to avoid problem when the ruler changes age.
Activated as soon as you select a province during a siege (by you).Activated during Normal Battle or Assault.Activated when in main screen (Minimum value = 66000).Minimum Holding Troop Size (166) (new v8.0).Minimum Army Troop Size (86) (new v8.0).Construction in 1 Day for Player’s Vassals.Technology Level (user defined => max = 8) (**).