Thx for your answer

But if youre tired with your companions you can fire them without taking lone wolf cause it will be a silly choice on a late part of the game.

I agreed when you compare with pet pal.
I think its "talent background", talents on your hero who have it before this aventure.
Why dont add a talent when you create your hero, a background talent you can choice one on a list?

I hope you will understand me ^^'