I used to always just jump and use skills in btwn if I wanted ~ That seemed to give me the best damage output I could manage ~
Sadly, I dun use Ara anymore, so not sure if any updates on her changed the way to use ~
In my opinion tho, the best way is to just test and find the own way u like to play ~
There are both variants of viable EX clearing builds. I know of some people of non-jumping build who are at 220 depth now, have been for a really long while as well. The very vast majority, however, from what i could see, just use jumping build because those dish out the most damage with the least effort.