I saw that Knull has the Stacking Power node which makes you unable to gain power through normal means and instead gain 20% of a bar of power every time you gain buffs. Well, Vox gains a ton of buffs. In fact, he gains so many freaking buffs that he cheeses the entire fight as soon as he gets to his first SP3.
Just remember to remove the protection that Knull has by intercepting him before you start throwing your SP3s.
Also remember to actually land your intercepts and not, like me, run straight into a five-hit-combo that shaves off almost 30% of your health. But hey, you decide how you want to play. It certainly worked out okay despite the somewhat rough start.
https://www.youtube.com/watch?v=_hrC25ExE1o
