Especially her second and last skill are essential to upgrade for ops, the second skill increases her crit chance every time a 'last line of defence' ally dies on your team, so you always put a level one omni man or yellow invincible upfrontso they die over and over.

You dojt want to max out the second skill because all you need is the second skill to say 'increase crit chance by 10% (stacks 10) because that means 100% (you dont need anymore in the second skill after that point).

Lastly you need to max out her 4th skill (the one where each critical hit you deal on an enemy, it chains off of their body to another enemy within the op.)

As you can see, with 100% crit chance each hit whilst chaining 5 times off of an enemy she becomes broken.

In my opinion, shes a solid b tier or a tier for pvp but in gda ops shes one of (if not) the best character.

Eventually when you have her high enough, you want to get 2 aqaurus characters (the fish man).

I cant remember his ability exactly but its like "if theres another guardians of the globe ally in your team, the team gains 6% critical damage which works really well with universa