Archer

The Archer starts with pretty decent stats and has a pretty well rounded growth, however its low HP growth will cause it to suffer later in the game.

Stat Growth

Talent shows how often or well that stat will increase when the Archer gains a level.

The levels you should be to grind certain areas

AreaLevels

Mystic Forest-01-16

Pandora Plains---16-30

Golem's Cave-30-37

The Swamp37-44

Death Desert--44-63

The Volcano---63-71

The Arena---71-(Infinity)

 I used http://www.soulraver.net/sukie/AKS2/old/ to calculate these numbers

Class Upgrade

At level 40, the Archer upgrades to a Ranger, gaining a permanent +8 STR and +8 DEF