Many times I see the BD helpless to really kill the MM or NK once the Prince dies early. Especially when baddies have vote majority.
This could be balanced by giving Knights a one time use day ability where their next night’s CS is able to kill night immune classes.
Of course, this ability can be easily circumvented if the Knight is occupied or Possessed, thus it’s not really OP since it takes a conscious well planned decision to use it.
Considering that Knights die if they fail their CS, I feel that this addition would give them a bit of a fair boost.