Yes, you can use your Bonus Action to attack with War Magic You will make one attack as part of the Booming Blade cantrip, and one attack as a bonus action.
Can you attack twice if you use booming Blade?
No, You cannot combine attacks with booming blade. Beginning at 5th level, you can Attack twice, instead of once, whenever you take the Attack action on Your Turn.
Does booming Blade count as a magic weapon?
The booming blade spell isn’t intended to make the required weapon attack magical. So the weapon attack you make as part of the spell is not magical on its own.
What’s the difference between booming blade and two weapon fighting?
Two weapon fighting lets you make an attack with your bonus action when you take the Attack action. Booming Blade is a spell, which requires you to have taken the Cast a Spell action, not the Attack action.
Can you make an off hand attack with the booming blade?
No, you cannot make an off-hand attack with Booming Blade. Two weapon fighting lets you make an attack with your bonus action when you take the Attack action. Booming Blade is a spell, which requires you to have taken the Cast a Spell action, not the Attack action.
Can You combo attacks with Green Flame Blade?
[…] Second, neither green-flame blade nor booming blade works with Extra Attack or any other feature that requires the Attack action. Like other spells, these cantrips require the Cast a Spell action, not the Attack action, and they can’t be used to make an opportunity attack, unless a special feature allows you to do so.
Do you get bonus damage with booming blade?
It takes an action to cast the spell. This means that you cannot also take the Attack action and benefit from the Extra Attack feature that some classes possess. So no, it is a tradeoff. Booming Blade’s regular bonus damage applies only if the target moves willingly. Otherwise, it does normal attack damage.
