Add something extra in your training routine, a deeper dimension that taps into your secret source of power, the thing that makes you go incandescent when you have to face an Apostle. No self-respecting Merc, former member of the Band of the Hawk can accept to be anything than the very best, when it comes to physical training. The Guts workout will make sure that when it comes to wielding the Dragonslayer, your body will be more than just up to it.