I do realize that the first group content you hit at 60 (reactor, neverreap, bismark ex, ravana ex) is not friendly at all to maintaining buffs with all of the invulnerability phases.

The challenge is to learn when to use the buffs, and knowing what to what to do when you don't have the buff up. It is frustrating at first, but as you learn the fight and the timings, it becomes easier. You learn things like when to hold back on a GK so that the botd buff will last through a phase change, or waiting a second to see if you get tunneled in A4, etc. It's more dynamic.

To me, that's what makes the class more interesting to play than the level 50 version of h-idc-p-ttt-h-ttt-p-idc-h-ttt-ttt combo of old.