People keep complaining that the Devs balance the fun out of games so maybe these ones didn't gave much fu** about balance in the first place.
There don't seem to be any classes or player levels with people being able to buy skillbooks of different jobs (makes me wonder if there is some sort of...
Crits are hits on character weakpoints (mostly head/heart) from what i understood it from previous chapters which can be protected by armor though (since they are wearing full armor with helmet, any hits that do not manage to penetrate said armor can't deal crit damage as was seen in crims fight...