Honestly, I don't think aspects are the issue. (chaos accelerant could use a buff)
The subclass has a crappy melee with no other choice.
The grenades have really long charge times and only 1 or 2 are good.
The fragments are pretty weak and a lot need buffs, reworks, or stat penalty removed (echo of undermining is -20 disc, the prismatic version is only -10 AND lets you jolt)
It’s simpler than other aspects but running prismatic void and Fel winters helm. My pre targets are weaker easily with grenades and melee almost 24/7. With the right mods you are grenadine and melee every 20 seconds.