How to lock character "pitch" rotation?

I was about to ask you to share the way you did your blueprint… Because I’m myself is a graphics designer and I’m not really good with blueprints. I don’t really understand how to do what you described.

But then I went through my blueprint, keeping in mind what you said about pitch inputs and… Well, turns out the solution was to just simply break this link:

I don’t even remember why I had it that way in the first place, to be honest.

But basically, now the character behaves exactly the way I wanted to.