What if levelling up doesn't expand your health anymore and now it's more based on the breaker itself, this might help with setting apart the Breakers because I think you should go all in with the class system at this point and hell, you can put in ONE Exe that expands all characters health in like tier 4/5
For example:
Vermillion might get 100 health as a All Around character he is.
While Ravona gets like... 75 health because she's the stealth one.
This will also help with the preferred weapon stuff (which should be in their bios like already suggested) so you can build around their health for example with holobytes like Crit Cuffs.
This however will have armor be kinda useless since it won't provide health anymore so I propose a overhaul to the Armors, have it boost armor (and if anyone asks I dunno about having the armor nerf dash).