Ah ok. How do you fire both in one turn though? Doesn't firing one cost an action point? Or is there some mechanic I'm not aware of?
Using an off-hand weapon costs you a bonus action, not an action. Bard also has a class feature called fighting style at level 3, it allows your off-hand attack to be as powerful as your main hand attack. This means you can cast a spell and use an off-hand attack at the same turn. Very flexible.
