Yes. You can trigger both Sneak Attack and Divine Smite on a booming blade attack. Booming blade says: As part of the action used to cast this spell, you must make a melee attack with a weapon against one creature within the spell’s range.
Does casting booming Blade count as an attack action?
Casting Booming Blade requires the Cast a Spell action, not the Attack action. Extra Attack can be used only with the Attack Action. it is an action. so yes it becomes part of that attack.
Do you add weapon damage to booming blade?
@Bradleydoc, no you are not. 2 Weapon Fighting requires you to make an attack action to gain it’s benefits. Booming Blade or Green-Flame Blade requires you to take the Cast a Spell action. So you do not fulfill the prerequisites to use 2 Weapon Fighting.
Do you have to have a weapon to use Thunderous Smite?
The first time you hit with a melee weapon attack during the spell’s duration, your attack deals an extra 1d6 psychic damage. Thus, since the unarmed strikes do count as melee weapon attacks, a character would be able to use an unarmed strike to cause the effect, no weapon required at all.
When do you get bonus damage for smite?
Then consider that until 11th level, the bonus damage for them moving is 2d8, which is the same damage a smite does anyway. A pure paladin will just be attacking twice by level 6, doubling his chance to crit (which applies to the smite) and having the option to smite on both attacks.
Is it better to use smite or blade?
Far better to use a weapon that doesn’t deal 1d4 damage and cost you another feat. Smite is also unnecessary, it’s just more damage, which is nice and all, but doesn’t enable the combo.
Can a smite spell be used as an unarmed weapon?
[A]n unarmed strike counts as a melee weapon attack, even though the attacker’s body isn’t considered a weapon. Since the smite spells specifically call out a weapon in their description, that is what they require. And since unarmed strikes are not considered to be weapons, then they do not qualify.
