Currently, you can only user the "Dual Wield" skill if you are an Assassin. Th=e skill requires SP per turn and there is a dual wield for every element. There is one catch; You cannot choose an item...
you must complete the first of the jesters's quests. the jester is found in the greenguard forest and also ate the east part. btw if you wanna be my friend my name is pokemoke. i am lvl 12 writing...