Do you feel empathy towards the Warriors of Darkness?

[RopeDrink]

I genuinely have no idea what you're talking about to get anything like that from him

And you never will if your attempt to remedy it is to be thrown a cutscene to directly push the point at you.

It is subtly hinted throughout the entirety of his screentime - his actions, animations, and dialogue - that he's doing the things he's doing with little care for neither the victims or even the empire itself, all for his own pleasure (if you could call it that seeing as it's just not good enough to elicit even that), yet as soon as an actual potential challenge emerges, it is the one and only time he'll stop looking at it like it's just cattle and pay any kind of attention. The second time you face him, despite pretty much losing yet again, he as good as tells you to back off, live, get stronger, and return when you're worthy. Hell, every time you see him in the Empire, even his introductory cutscene, he's bored as all hell in his seat - the same pose you find him in when you confront him the penultimate time and he finally admits you were like a work-of-progress for him, that he practically falls for you (not in the usual sense) due to being the instigator of him actually feeling anything after so long.

He's consistently shown to be totally inured to everything, physically and emotionally - with the only thing closely resembling a chance at feeling anything being the thrill of the hunt (the thing that gives you the 'sir-fights-a-lot impression) which also waned due to his prowess and the fact nobody could even stand up to him, not even the WoL when they first cross paths. Until he was finally equalled, which is when he spills his guts before the climax, even realizing that in his newfound excitement he's completely forgetting himself, outright stating just how little pretty much everything, even the empire, means to him.

That's just the basics of the very start and the very end with little reference to the inbetween. I loved how he casually just walked into Ala Mhigo like he owned the place... And then quite literally lived up to that image... And then walked off like it meant nothing to him. How he doesn't seem to realize how much people want him beaten, how the misery doesn't even register or get acknowledged in any way on his radar, just 'bleating of the weak, only the strong survive', while simultaneously bewailing the fact nobody can challenge him. That's important. He's not the villain screaming at the top of their lungs how powerful they are and how nobody can stop them - he is ALREADY that person and is utterly bored to tears with it.

How you're meant to believe he's doing it for the empire or some reason we're familiar with, yet it's not. It's all for himself. You could call it selfish, yet in some weird way it isn't - he just doesn't know any better due to feeling quite literally nothing. He WANTS that pleasure and feeling but it eludes him constantly, and when you indirectly give it to him he practically falls in love with you. It's so twisted he genuinely regards you as some sort of friend for giving him that 'gift', even if the intention was to actually put the lunatic in the ground.

You call him sir-fights-a-lot, yet he doesn't even enjoy that any more. He's too good for you and everyone around him. That's not cockiness, it's fact. He WANTED to be challenged and it just never happened until you 'levelled up' as it were.

Again, none of that goes into any great detail. It's something you should revisit and revalue sometime rather than try have it proven to you with blunt evidence. It wasn't put that way at all. For a character that is so easy to be done straight-edge and direct, the 'arc' (as it were) was always kept just below the surface, creeping out in bits and pieces with various scenes and dialogue, rather than "Today in X scene, we will highlight how Villain No.3 is a raving-mad lunatic".