DPS:
Supports (Not Limited to Buff and Debuffs; Can Sub-DPS, Gather and even act as a niche DPS in certain MA strategies):
Again, these are not mine... I just want to share the full list!
Also, this is by no means an actual tier list (where the top is the best and the bottom is the worst) but more of a guide to show the effective Valkyries right now when dealing with certain content!
Enjoy