Quote Originally Posted by Jetstream_Fox View Post
They're not required, if they're not apart of the base toolkit they are not required to play the class. All they do is make it easier, having X skill open for cross class isn't a determining factor in whether or not someone should be excluded from content. Stating it is a requirement is exactly what that post is calling out into question.
B4B is part of the base toolkit for Ninja if he got kicked for not having Mantra he might have a case but when doing endgame content you are expected to have certain cross class abilities B4B is one of those.