DND 5th Edition

Source: Player's Handbook

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.

• You can use two-weapon fighting even when the one handed melee weapons you are wielding aren't light.

• You can draw or stow two one-handed weapons when you would normally be able to draw or stow only one.