I've read in the wiki that Sparda always used Force Edge and Yamato as his Devil Arms and Luce & Ombra as his firearms. So I don't know where you've read or heard that, since I think people would mention it being heard.
They claimed it's because "Dante isn't as skilled with Yamato as Vergil". Which makes sense, but then he swings it just like he does and even slices a hell gate that's like 300ft away.
Darkslayer was designed to combat blocking enemies that parry you. (Bianco/Altos, Scarecrows on DMD, Credo...
DMC3 for PC is rather ass 'cause Ubisoft. You also have to remove some of the sound/music since some of them cause lag for..pretty much no apparent reason other than the port is very crappy. If I'm not mistaken, the only controller that works with it is the XBOX360 one.
Didn't they do exactly that? I remember one of NT's dudes saying "We want to make casuals feel like pros" or something.
Regardless, DMC5 will sell more simply because of quality and established gameplay.
So you bait him into an argument where your stance lies in the fact that you're too lazy to overcome a challenge? Unless the challenge is clearly satirical or the game was made by Ninja Theory, then it's probably possible to beat it.
I can't help but feel amused. But at the same time, I feel...