Green Flame Blade (GFB) is a damage cantrip that can hit multiple enemies. That on its own makes the spell a great addition for numerous classes. Any class that has a single attack will benefit from this cantrip. Casters may not be as inclined to take a melee weapon based cantrip spell.
Does booming blade count as magic damage?
It’s delivered as part of a spell, but has its “usual effects” and is a prerequisite for the spell to work. 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.
Is booming blade magic weapon?
The booming blade spell isn’t intended to make the required weapon attack magical. It’s delivered as part of a spell, but has its “usual effects” and is a prerequisite for the spell to work.
Can a booming blade be used on a Green Flame Blade?
There are various sage advice tweets from Jeremy Crawford confirming this with regards Booming Blade and Green-Flame Blade. I guess there are several options, as the OP wrote. RAW it seems that the point where the opportunity attack occurs, the target is still within 5′ reach (see wording I bolded above).
Is the Green Flame Blade a cantrip or attack?
Green Flame Blade and Booming Blade are both cantrips, which are covered under spellcasting rules. More importantly, both of them have a requirement of using 1 Action to be cast, and the melee attack is part of the spell.
Can a Green Flame Blade be used as an OA?
You only make a single attack as an OA. Though again that works better with booming blade. You can also do something like get fire immunity, punch yourself, and auto-damage the guy next to you. But yes, overall, green flameblade is only good for classes that couldn’t deal melee damage in the first place.
What happens when you use the booming blade spell?
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, otherwise the spell fails. On a hit, the target suffers the attack’s normal effects, and it becomes sheathed in booming energy until the start of your next turn.
