Is not only you, so far got 90 fragments out of 20 souls, and was sitting at 50 for a while.
I don't like these fragments events at all as fragments have somehow a bad drop ratio for this account, don't know if NF does profiling or what but it's always the same.
The last event barely made it after running 53/55 BNW dungeons and spending over 720 SoT (that on top of playing all my troopers everyday).
Also that thing about not even guaranteeing the character if you buy a $55 pack?, is that a bad joke!. (not that I would drop a single cent on that anyway but it's just BS).
Oh yes and 0 Red Eyes...
The only good thing has been getting about 50 legendary fragments.