GRAB skill could break superarmor skill, except the superarmor skill that commented "cannot be grabed during the skill"

There are some classes neither have grab skill nor superarmor skill that commented "can not be grabed during the skill".
These classes named "OPEN GRAB".

Its neccesary that any classes have at least one super armor skill that cover "can not be grabed during the skill"
Be noted the meaning of "can not be grabed during the skill" will cover full resistance against grab and is different from "can not be grabed while jumping" or "while moving" or "while startup"

Hope to understanding by BDM developer.

Got to agree with this one. Grabs have this advantage against non grab classes. It can either be used as sure hit open CC or extended CC where specifically in a team fight is very OP. If grab immunity are added to counter it, then it should be equally distributed to all classes.