Barbarian Dual Weapon

You master fighting with two weapons, gaining the following benefits:

• You gain a +1 bonus to AC while you are wielding a separate melee weapon in each hand.or/While you are wielding a separate melee weapon each hand gain +1 ac for each magical weapon you wield. 
• You can use two-weapon fighting even when the one-handed melee weapons you are wielding aren't light.
• When you engage in two-weapon fighting, you can add your ability modifier to the damage of the second attack.