Came here to say this, their implementation for his extreme measures modifier is ideal. Every other boss has all sorts of cool new moves, but the final boss is doing absolutely nothing new through the first two phases, then takes a knee like always. You might start to wonder if it’s malfunctioning for a moment, then that guitar tells you loud and clear that you’re about to get fucked hard.
Sword Saint is the single most satisfying boss victory I’ve ever experienced, no action game NPC has ever made me feel more like I was being outskilled by an actual person