This loadout allows you to never have to take cover again. You can stand in the open and take on multiple enemies at a time without even moving if deadeye is active. You do have to be consistently getting headshots otherwise you won't regenerate your health at a fast enough rate. your role is to be the last resort in a heated situation. you can replace 'strange medicine' with another defense ability card to take even less damage, but I think 'strange medicine' works better because you don't need to rely on health tonics as much, which is something you can't do in deadeye, so if your health were to get too low and you don't have 'strange medicine' you'll have to exit the dead eye, take a tonic, then return to dead eye. Which is a risky gamble if you are in the middle of being shot by a thousand people.