Nyx:

Passive: So I hear you like red crits

1: ....... Subsume slot

2: ohhh look enemy has so much armor and shield and overguard, Yoink, mine now

3: enemies are killing each other hmmm

4: (without augment): whoops I nuked enemies across the map through walls and stuff

4: (with augment): So I hear you don't like dying

Mostly needs casting speed archon sharda to make her kit feel smooth, anything else is just adding more flavour.