in season 1:
- u can choose a job-book, that will allow u to equip that job equipment/weapons
- tier 2 will give u another skill that is based on the first job u took, this will increase stats to work with that "job" equip/weapons
and thats it. so, if theres nothing more, the best job is mage, since it gives u +INT that u can benefit from. but warrior can also be good, since it gives u +STR (u can reset and remove all STR points, since u get it now from the skill) and +DEX that gives u melee-accuracy (that is good when u are not using magic attack-skills)
in season 2:
- tier 3, will now give u a job-attack-skill. that will be based on job-stats (+) bonus darkness.
that means, even if you play thief and your INT is "lower" compared to a mage (since they get +INT from skills) it will even out by the skill formula as it will take account to that. (in the end, LUK 180 + 20 INT should be as powerful as LUK 20 + 180 INT)
I will try to make it as balanced as possible. so it will not handicap u choosing a non-mage job.
but for season 1 its like that.
also, a job that is "harder" to play, will of course give u a reward later in the game.
so in tier 4 (last skills) should boost those job in favor as well. I mean, why struggle up to level 100+ with a job that is weaker if at tier 3/4 it will not give u any good skills?