Get EXP at Level 70 in Twelvesky2
At level (12sky2 Gold) 70, its start going cave and killing with aoe, because minibosses start to give less and less exp. Just find good spot and stand and aoe hardest possible mobs you can survive, spaming pill button all time. If get bored, go do quests, kill some minibosses, try make 5 member team, go to war at level 80 it starts being harder and harder get exp twelve sky2 Gold. You need harder mobs but there are none up to level 90. Therefore, the quickest way is to kill the monster the last time the final map, with many areas of excellence is not one - they hit hard.
And just go from one to another non-stop, kill minibosses in-between. Do not go to cave it is a lot slower. Finally you hit 90. Now you can enter lots of new maps in Twelvesky2. And there are real bosses in ghost valley cave. Not minibosses. Those spawn once in 3 hours and drop lots of mats, money purse, sometimes, pretty often, rarest and elixers, they hit about 5k vital depends on your defense.