Wow that was a whole lot of helpful responses fast, thanks ^^
I kinda got into this vein of games playing vindictus and my favorite character to play was lann which is a dual wielding guy who's only evade is either physically avoiding the attack with movement or using a really short lil dash with .3 seconds of iframes in the middle of the animation that can be used twice in a row before a pause. Most of playing that guy is just lining up bosses attacks with that .3 seconds while weaving in and using attacks to position yourself. Its super unforgiving for people to get used to and you would actually end up getting auto-kicked from a lot of groups because its really common for people playing the character to just be on the floor all the time to the point where people don't like gambling to figure out if someone can hack it or not.
Stopped playing that game though because fuck nexon.
Played other games using a similar style (like MH) but none that really let you abuse iframes like lann in vindictus. Looking up some random boss fights it seems like you can do that in this game, I'm hoping its similar enough for me to get the same sense of enjoyment. I really enjoyed getting better at soloing bosses (vindi bosses are meant to be fought with 8 people for the most part) and getting to really abuse the iframes and play hyper aggressive and being punished hard for a misstep.