Well this is a good start
An NPC though is the same animation it is for a regular player so it’s not the animation BP
that does it right but rather what you are using as a controller. In the case of an NPC good guess is an AI logic tree so what you would be looking for is making an AI controller. Just go to Youtube and search Unreal 4 AI controller.
Could also be that the camera rotation is locked.
or
Capsule rotation is to slow if you are making your tun at the capsule root
Best pratice would be if you could provide a sample file.