D&D 5E Can you twin booming blade
There can be argued by that its possible but also that it is not:
Possible:
Does the spell effect only one? Yes it does which mean that no doub't the twinned spell works and it should work.
Is the melee attack a magic attack, well its used in the cantrip action so it cant be regular attack. Which indicate it should be possible.
now here is why it can be argued as semi not possible:
Not possible:
The spell itself is possible we need to determine the mechanism:
Boomingblade as part of the action make a melee attack against one creature, else the spell fails.
Twinned spell can be cast if the spell you use only target one creature
Now boomingblade directly state that as a part of the action make a melee attack. Well, in order to by the text to cast the twinned version you no longer need to make an additional melee attack in order to succeed casting the spell. Since the melee attack states it directly requires an action, you cant do that as two actions even though you twin it. The spell will be twinned but it will be the effect of the boomingblade so to speak the magic.
Now people would argue that the attack itself is magic and an additional magical sword appears or something like that, but since boomingblade directly states that the melee attack that is required is part of an action you need two actions in order to do two melee attack on two creatures...but the twin effect still apply meaning that after you hit one time with the melee attack the magic itselfis twinned and you both the target you hit and another target within range will be sheathed in booming energy.
Now to investigate even further we need to know about magic...
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The sage advice compendium made a little relation to when is it magic or not...so if it should be possible to twin cast the melee attack itself then a new problem comes into light, cause that would mean according to the checklist that the melee attack thereby would be magic. And suddently we have a even stronger boomingblade than before if that is the case. Cause if you let the twin work it would be a spell and thereby per default magic attack, which it says in its text it is not by the wordings: "target suffers the attack's normal effects " which indicate that the melee part is not magical. Therefore conclusion is that if you twin cast boomingblade you do:
One melee attack
Two booming sheath attacks and effect.
Now noone can actually say one is more correct than the other since the text can be argued and read on two different terms where noone can actually say one is more right than the other one...
We must therefore wait till final confirmation from Jeremy E Crawford. All Jeremy has confirmed as of now is that it is possible to twin cast the spell...question that remains is if its possible to do two melee attacks or not...
Possible:
Does the spell effect only one? Yes it does which mean that no doub't the twinned spell works and it should work.
Is the melee attack a magic attack, well its used in the cantrip action so it cant be regular attack. Which indicate it should be possible.
now here is why it can be argued as semi not possible:
Not possible:
The spell itself is possible we need to determine the mechanism:
Boomingblade as part of the action make a melee attack against one creature, else the spell fails.
Twinned spell can be cast if the spell you use only target one creature
Now boomingblade directly state that as a part of the action make a melee attack. Well, in order to by the text to cast the twinned version you no longer need to make an additional melee attack in order to succeed casting the spell. Since the melee attack states it directly requires an action, you cant do that as two actions even though you twin it. The spell will be twinned but it will be the effect of the boomingblade so to speak the magic.
Now people would argue that the attack itself is magic and an additional magical sword appears or something like that, but since boomingblade directly states that the melee attack that is required is part of an action you need two actions in order to do two melee attack on two creatures...but the twin effect still apply meaning that after you hit one time with the melee attack the magic itselfis twinned and you both the target you hit and another target within range will be sheathed in booming energy.
Now to investigate even further we need to know about magic...
How do I know if an ability is magical?
Often confusion arises when the Antimagic Field spell is used, an Armor of Invulnerability is worn, or the Beholder's anti-magic ray is employed, whether a given character's ability will still func...
rpg.stackexchange.com
One melee attack
Two booming sheath attacks and effect.
Now noone can actually say one is more correct than the other since the text can be argued and read on two different terms where noone can actually say one is more right than the other one...
We must therefore wait till final confirmation from Jeremy E Crawford. All Jeremy has confirmed as of now is that it is possible to twin cast the spell...question that remains is if its possible to do two melee attacks or not...
This ^^
So as I see it it can be twinned, has twice the magic effect does not require a second attack,
and since the second attack would be another full action this a second attack would also not be possible.
Todd Roybark
Hero
Agreed!!!......
The two Sword Coast cantrips in question are a bit odd. One needs the Spell Sniper feat or metamagic to use a reach weapon to attack more than the 5’ range of the cantrip.
Counterspell negates it , as does a Raksashas Limited Spell Immunity.
A cleric of the arcane could select the Cantrips via class feature and add Wis mod at 8th level
and NO, one does not need two attack actions or extra attack to twin the cantrip.
One uses the “Cast a spell Action” to use the Cantrip, not the “Attack Action”, the weapon attack portion of the cantrip is essentially a complex somatic component.
I agree That it is cantrip/spell action and npt attack action a but the text says directly “as part of the action”... you dont use an additional action to twincast which mean that directly if you take into consideration what the working say you only gonna do one melee hit- the twin spell dont make additional action or attack since the spell already is triggered and working.
My point is you Can read it both ways and Jeremy need to give the solution...
But buttomline break the text and in order for that magic to do two melee hits it require two actions.
Harzel
Adventurer
I don't think it would be an overly technical reading, it would just be a failure to apply Twinning consistently. All single-target spells use the "a creature" or "one creature" language. To me it seems the intent of Twinned Spell is accurately reflected by replacing those phrases by "two creatures" (and making additional adjustments as needed, such as replacing subsequent references to "the target" by "each target"). So Twinned Booming Blade is just
The arguments about making multiple melee attacks with one action are spurious* for two reasons. First, Booming Blade is already exceptional: normally you can't make a melee attack as part of the Cast a Spell action. It's not problematic that Twinning the spell creates a slightly different exception. Second, there is no blanket prohibition on making multiple melee attacks as part of a single action, and, in fact, there are several precedents for it (e.g., Extra Attack and monsters' Multiattack routines).
And, BTW, JC has responded to this question (although whether his response constitutes an answer is, as is often the case, debatable).
* That's not meant to be rude. I understand that the effect of Twinning Booming Blade feels unusual. But the arguments against it really don't stand up to scrutiny.
I dont Think anyone would say you cant twin spell boomingblade - the thing people seems to have different opinions about is the melee attack.
It States in boomingblade that a melee attack is needed for the spell, not two or three of Four etc. So regardless how many times and actions you actually have only that one melee attack is required directly quoted from the boomingblade effect.
Now if it is to be possible to twincast the melee attack also - you know it do apply to the rules of being a magic attack. Which would be a direct contradiction to the boomingblade texture of the melee attack effect.
Now i dont say one is more right than the other, but if you analyze and break up the text itself its without a shred of doubt dont make two melee attacks while using Twinned spell... mainly also because boomingblade stArea that “part of the action”, twinning it doesnt male two parts of an action, twinning is still same action therefore it Will be impossible to make two melee attacks since that would be part of two actions and not one.
But i do aknowledge that it could be intepreted and understood in a different matter of meaning, but the wordings itself are clear.
Salthorae
Imperial Mountain Dew Taster
People are over thinking this.
Booming Blade is a single target, non-self spell. Therefore you can Twin it.
What does the Booming Blade spell say?
You target a creature with a melee attack because you "must make a melee attack". If it hits, it deals weapon damage + additional thundering effects.
It doesn't say you take the Attack Action. It says as part of the spell that you make a melee attack.
Therefore if you twin it, you get to make two attacks, one for each of the twinned portions. They both have to hit to have the thundering rider. Because metamagic bends the action economy for twin spell and quicken spell. That's what it does. Getting to make a second attack with that shouldn't be an issue here.
Expending a sorcery point is already a big cost to do something like this, don't try to nerf it by complicated and convoluted examinations of language.
Booming Blade is a single target, non-self spell. Therefore you can Twin it.
Twinned Spell said:
What does the Booming Blade spell say?
You target a creature with a melee attack because you "must make a melee attack". If it hits, it deals weapon damage + additional thundering effects.
It doesn't say you take the Attack Action. It says as part of the spell that you make a melee attack.
Therefore if you twin it, you get to make two attacks, one for each of the twinned portions. They both have to hit to have the thundering rider. Because metamagic bends the action economy for twin spell and quicken spell. That's what it does. Getting to make a second attack with that shouldn't be an issue here.
Expending a sorcery point is already a big cost to do something like this, don't try to nerf it by complicated and convoluted examinations of language.
No boomingblade blade say “As part of the action used to cast this spell...” so its part of the combined action, its not an individual spell or anything that Can be twinned - when twin spelling you dont get to use an additional action therefore its impossible to argue directly on the text that its possible to twin the melee attack Part since it requires to be part of an action and twinning that would directly quoted from the text require two actions... but as Said it Can be read on both sides and noone Can determine with 100% one is more right than the other - we mist wait for Jeremy to actually make response of it...
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