what kind of emblems is for which class of survivors

my question is as follows:

what type of emblem (critical damage, critical strike chance, damage, damage reduction, and life) is best for each class of survivor (frontline, hunter, sniper, batsman, fighter, and warrior)?

for example:
damage reduction is indicated for fighter class and front line ...

or critical hit chance is indicated for hunter class and frontline.

thank you in advance, who contribute to my question

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