The Cursed Company is Undead, and as such the following rules apply to them:
The unit is subject to the Animated Construct, Fear and Unstable special rules.
If Richter is killed, the Cursed Company will quickly begin to crumble to dust. At the end of the phase when Richter is killed, and at the beginning of each of their turns thereafter, the Cursed Company must take a Leadership test. If the test is failed, the unit suffers a number of wounds equal to the number they failed the Leadership test by. No saves of any kind are allowed against these wounds.
The Cursed Company can march as long as Richter is still alive. If Richter dies, the Cursed Company cannot make march moves.