The armor and weapon branches from 120 are simply amazing...If you check the korean site...you can see them...
Simply Beautiful -sniff-
There's alot to look forward to!
Archers = Um aoe poison that has immediate cast and when maxed, a 3second cd! totally worth getting to 51 ;D
Mages = Inferno and Frost Nova ftw ;D lotsa aoe is pwn
Clerics = Aoe (well not really, but full party heal) at lv 60, recover ftw ;D
Fighters = Erm...Idk..never played one..so not sure here, ;P