Originally Posted by
HyoMinPark
Honestly, while the presheilds are nice, you have to hope the tank doesn't pull before you can swap your stance and leave you trapped in Noct. Diurnal is far more useful for the regens because they can offset autos AND it's far more MP efficient thanks to the regens; you cast them less than Noct A.Benefic, which will drain your MP faster than you probably realize (at level 70, A.Benefic is 1440 MP, which is the same as a regular Helios).
I'd recommending Largessing as many Di A. Benefits as you can - you should be able to squeeze in 2 per Largesse, and you can do this every 60 seconds. Don't forget you can also use CU for HoTs, and CU is more potent than A Benefic or A Helios.