Yeah, I am usually able to dodge decent normal mobs like in TIs. But when it comes to MVP-ing, like dracula / orc lord / atroce, they will have 4-5 slaves that would bring my flee down by ... 40%?
So either I have to hit lock the MVP to avoid getting hit by it, or I'll have to AS the mobs before auto-attacking the MVP (thus allowing the MVP to come close and punch me in the face with magnum break ._.). Then again, these are low level MVPs, so I can imagine higher level MVPs will have higher HIT rate.
Tip: if you are planning to use arrow storm before auto attacking the MVP to clear the mobs, target the mob then click on the MVP to auto attack. That way the MVP doesn't run to you because you are targeting it.
If you are hitlocking then it shouldn't matter if your target has a high hit rate. Because if you are hitlocking it successfully then it should stay in place. I actually dislike going for atroce because it has defending aura. Whenever I go solo ET, that's the one that burns my time. The only problem that you should have coming from mobs is decrease Agi. So if they do have a mob that casts that, take it down before hitlocking then leave the rest to attack you. You should be able to tank a few mobs. Whenever you are trying to hitlock a MVP, always pick the mobs that you are going to keep alive for you to tank. That means leave the ones that you are confident enough to tank. And as usual, make sure you watch your positioning.