I want to be able to do "primal scream" after a particularly great end to a battle. Or maybe even going into the fight!

I thought I would have to make this mod myself, but before I do I need to know if there is already something like this, I would rather not re-invert the wheel if it is already made by someone else.

https://www.youtube.com/watch?v=eh6qZKPzuhc