Damage roll on critical hit with multiple abilities/spells?

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I have built a 5th Level Rogue Swashbuckler who took Magic Initiate feat at Level 4 to do some extra damage with Booming Blade and Green Flame Blade.



When using a normal rapier with Booming Blade at current level on a Sneak Attack he deals: 1d8 weapon damage + Dex mod + 1d8 thunder damage and 3d6 Sneak Attack.



Do all of the dice double on a Critical Hit/"Nat 20"?



Would the total roll then be: 2d8 weapon damage + Dex mod + 2d8 thunder damage + 6d6 Sneak attack damage?



So would this be an instance that a weapon attack, a spell, and ability crits?










share|improve this question























  • Remembering that critical hits can be dealt on other natural rolls if one has the right abilities (cough champion fighters cough).
    – Mindwin
    Dec 13 at 11:26










  • Related on Can I sneak attack with green flame blade or booming blade?
    – NautArch
    Dec 13 at 14:23















12














I have built a 5th Level Rogue Swashbuckler who took Magic Initiate feat at Level 4 to do some extra damage with Booming Blade and Green Flame Blade.



When using a normal rapier with Booming Blade at current level on a Sneak Attack he deals: 1d8 weapon damage + Dex mod + 1d8 thunder damage and 3d6 Sneak Attack.



Do all of the dice double on a Critical Hit/"Nat 20"?



Would the total roll then be: 2d8 weapon damage + Dex mod + 2d8 thunder damage + 6d6 Sneak attack damage?



So would this be an instance that a weapon attack, a spell, and ability crits?










share|improve this question























  • Remembering that critical hits can be dealt on other natural rolls if one has the right abilities (cough champion fighters cough).
    – Mindwin
    Dec 13 at 11:26










  • Related on Can I sneak attack with green flame blade or booming blade?
    – NautArch
    Dec 13 at 14:23













12












12








12


3





I have built a 5th Level Rogue Swashbuckler who took Magic Initiate feat at Level 4 to do some extra damage with Booming Blade and Green Flame Blade.



When using a normal rapier with Booming Blade at current level on a Sneak Attack he deals: 1d8 weapon damage + Dex mod + 1d8 thunder damage and 3d6 Sneak Attack.



Do all of the dice double on a Critical Hit/"Nat 20"?



Would the total roll then be: 2d8 weapon damage + Dex mod + 2d8 thunder damage + 6d6 Sneak attack damage?



So would this be an instance that a weapon attack, a spell, and ability crits?










share|improve this question















I have built a 5th Level Rogue Swashbuckler who took Magic Initiate feat at Level 4 to do some extra damage with Booming Blade and Green Flame Blade.



When using a normal rapier with Booming Blade at current level on a Sneak Attack he deals: 1d8 weapon damage + Dex mod + 1d8 thunder damage and 3d6 Sneak Attack.



Do all of the dice double on a Critical Hit/"Nat 20"?



Would the total roll then be: 2d8 weapon damage + Dex mod + 2d8 thunder damage + 6d6 Sneak attack damage?



So would this be an instance that a weapon attack, a spell, and ability crits?







dnd-5e sneak-attack critical-hit






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share|improve this question













share|improve this question




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edited Dec 13 at 5:45









linksassin

4,34211344




4,34211344










asked Dec 13 at 5:26









Jhyarelle Silver

2,63331652




2,63331652











  • Remembering that critical hits can be dealt on other natural rolls if one has the right abilities (cough champion fighters cough).
    – Mindwin
    Dec 13 at 11:26










  • Related on Can I sneak attack with green flame blade or booming blade?
    – NautArch
    Dec 13 at 14:23
















  • Remembering that critical hits can be dealt on other natural rolls if one has the right abilities (cough champion fighters cough).
    – Mindwin
    Dec 13 at 11:26










  • Related on Can I sneak attack with green flame blade or booming blade?
    – NautArch
    Dec 13 at 14:23















Remembering that critical hits can be dealt on other natural rolls if one has the right abilities (cough champion fighters cough).
– Mindwin
Dec 13 at 11:26




Remembering that critical hits can be dealt on other natural rolls if one has the right abilities (cough champion fighters cough).
– Mindwin
Dec 13 at 11:26












Related on Can I sneak attack with green flame blade or booming blade?
– NautArch
Dec 13 at 14:23




Related on Can I sneak attack with green flame blade or booming blade?
– NautArch
Dec 13 at 14:23










1 Answer
1






active

oldest

votes


















17














Your calculation is correct



When your score a critical hit all damage dice are doubled. This also works for Paladin Smites (which are declared after the attack roll) and all other damage increasing spells/abilities (e.g. Hex, Hunter's Mark, etc.).




Critical Hits



When you score a critical hit, you get to roll extra dice for the attack's damage against the target. Roll all of the attack's damage dice twice and add them together. Then add any relevant modifiers as normal. (PHB.196)




However...



As Vylix points out, Booming Blade deals an addition 2d8 damage if the target moves before the start of your next turn. This damage is not affected by the critical hit. The same goes for Green Flame Blade, which deals fire damage equal to your spellcasting modifier to a secondary target. Critical Hits do not affect the secondary target damage.



Note: Answer is correct for 5th as given by OP. Spell damage and critical differs by class level.






share|improve this answer


















  • 2




    The splash damage does not crit : sageadvice.eu/2017/05/24/…
    – Vylix
    Dec 13 at 7:08






  • 2




    @Vylix another great example of Sage Advice going against RAW and logic
    – András
    Dec 13 at 7:14










  • @andrás I think you are mistaken. Critical hits only double the damage dealt when the attack hits. Booming blade sets a conditional effect to deal damage at a later turn. No crit I know of deals extra damage after the attack is resolved.
    – Mindwin
    Dec 13 at 11:23






  • 1




    @Mindwin I believe Andras was referring to Green Flame Blade not Booming Blade.
    – linksassin
    Dec 13 at 11:37







  • 1




    @Mindwin They are 5th level the calculation is correct.
    – linksassin
    Dec 13 at 11:37










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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









17














Your calculation is correct



When your score a critical hit all damage dice are doubled. This also works for Paladin Smites (which are declared after the attack roll) and all other damage increasing spells/abilities (e.g. Hex, Hunter's Mark, etc.).




Critical Hits



When you score a critical hit, you get to roll extra dice for the attack's damage against the target. Roll all of the attack's damage dice twice and add them together. Then add any relevant modifiers as normal. (PHB.196)




However...



As Vylix points out, Booming Blade deals an addition 2d8 damage if the target moves before the start of your next turn. This damage is not affected by the critical hit. The same goes for Green Flame Blade, which deals fire damage equal to your spellcasting modifier to a secondary target. Critical Hits do not affect the secondary target damage.



Note: Answer is correct for 5th as given by OP. Spell damage and critical differs by class level.






share|improve this answer


















  • 2




    The splash damage does not crit : sageadvice.eu/2017/05/24/…
    – Vylix
    Dec 13 at 7:08






  • 2




    @Vylix another great example of Sage Advice going against RAW and logic
    – András
    Dec 13 at 7:14










  • @andrás I think you are mistaken. Critical hits only double the damage dealt when the attack hits. Booming blade sets a conditional effect to deal damage at a later turn. No crit I know of deals extra damage after the attack is resolved.
    – Mindwin
    Dec 13 at 11:23






  • 1




    @Mindwin I believe Andras was referring to Green Flame Blade not Booming Blade.
    – linksassin
    Dec 13 at 11:37







  • 1




    @Mindwin They are 5th level the calculation is correct.
    – linksassin
    Dec 13 at 11:37















17














Your calculation is correct



When your score a critical hit all damage dice are doubled. This also works for Paladin Smites (which are declared after the attack roll) and all other damage increasing spells/abilities (e.g. Hex, Hunter's Mark, etc.).




Critical Hits



When you score a critical hit, you get to roll extra dice for the attack's damage against the target. Roll all of the attack's damage dice twice and add them together. Then add any relevant modifiers as normal. (PHB.196)




However...



As Vylix points out, Booming Blade deals an addition 2d8 damage if the target moves before the start of your next turn. This damage is not affected by the critical hit. The same goes for Green Flame Blade, which deals fire damage equal to your spellcasting modifier to a secondary target. Critical Hits do not affect the secondary target damage.



Note: Answer is correct for 5th as given by OP. Spell damage and critical differs by class level.






share|improve this answer


















  • 2




    The splash damage does not crit : sageadvice.eu/2017/05/24/…
    – Vylix
    Dec 13 at 7:08






  • 2




    @Vylix another great example of Sage Advice going against RAW and logic
    – András
    Dec 13 at 7:14










  • @andrás I think you are mistaken. Critical hits only double the damage dealt when the attack hits. Booming blade sets a conditional effect to deal damage at a later turn. No crit I know of deals extra damage after the attack is resolved.
    – Mindwin
    Dec 13 at 11:23






  • 1




    @Mindwin I believe Andras was referring to Green Flame Blade not Booming Blade.
    – linksassin
    Dec 13 at 11:37







  • 1




    @Mindwin They are 5th level the calculation is correct.
    – linksassin
    Dec 13 at 11:37













17












17








17






Your calculation is correct



When your score a critical hit all damage dice are doubled. This also works for Paladin Smites (which are declared after the attack roll) and all other damage increasing spells/abilities (e.g. Hex, Hunter's Mark, etc.).




Critical Hits



When you score a critical hit, you get to roll extra dice for the attack's damage against the target. Roll all of the attack's damage dice twice and add them together. Then add any relevant modifiers as normal. (PHB.196)




However...



As Vylix points out, Booming Blade deals an addition 2d8 damage if the target moves before the start of your next turn. This damage is not affected by the critical hit. The same goes for Green Flame Blade, which deals fire damage equal to your spellcasting modifier to a secondary target. Critical Hits do not affect the secondary target damage.



Note: Answer is correct for 5th as given by OP. Spell damage and critical differs by class level.






share|improve this answer














Your calculation is correct



When your score a critical hit all damage dice are doubled. This also works for Paladin Smites (which are declared after the attack roll) and all other damage increasing spells/abilities (e.g. Hex, Hunter's Mark, etc.).




Critical Hits



When you score a critical hit, you get to roll extra dice for the attack's damage against the target. Roll all of the attack's damage dice twice and add them together. Then add any relevant modifiers as normal. (PHB.196)




However...



As Vylix points out, Booming Blade deals an addition 2d8 damage if the target moves before the start of your next turn. This damage is not affected by the critical hit. The same goes for Green Flame Blade, which deals fire damage equal to your spellcasting modifier to a secondary target. Critical Hits do not affect the secondary target damage.



Note: Answer is correct for 5th as given by OP. Spell damage and critical differs by class level.







share|improve this answer














share|improve this answer



share|improve this answer








edited Dec 13 at 14:25









Marq

18.6k377128




18.6k377128










answered Dec 13 at 5:32









linksassin

4,34211344




4,34211344







  • 2




    The splash damage does not crit : sageadvice.eu/2017/05/24/…
    – Vylix
    Dec 13 at 7:08






  • 2




    @Vylix another great example of Sage Advice going against RAW and logic
    – András
    Dec 13 at 7:14










  • @andrás I think you are mistaken. Critical hits only double the damage dealt when the attack hits. Booming blade sets a conditional effect to deal damage at a later turn. No crit I know of deals extra damage after the attack is resolved.
    – Mindwin
    Dec 13 at 11:23






  • 1




    @Mindwin I believe Andras was referring to Green Flame Blade not Booming Blade.
    – linksassin
    Dec 13 at 11:37







  • 1




    @Mindwin They are 5th level the calculation is correct.
    – linksassin
    Dec 13 at 11:37












  • 2




    The splash damage does not crit : sageadvice.eu/2017/05/24/…
    – Vylix
    Dec 13 at 7:08






  • 2




    @Vylix another great example of Sage Advice going against RAW and logic
    – András
    Dec 13 at 7:14










  • @andrás I think you are mistaken. Critical hits only double the damage dealt when the attack hits. Booming blade sets a conditional effect to deal damage at a later turn. No crit I know of deals extra damage after the attack is resolved.
    – Mindwin
    Dec 13 at 11:23






  • 1




    @Mindwin I believe Andras was referring to Green Flame Blade not Booming Blade.
    – linksassin
    Dec 13 at 11:37







  • 1




    @Mindwin They are 5th level the calculation is correct.
    – linksassin
    Dec 13 at 11:37







2




2




The splash damage does not crit : sageadvice.eu/2017/05/24/…
– Vylix
Dec 13 at 7:08




The splash damage does not crit : sageadvice.eu/2017/05/24/…
– Vylix
Dec 13 at 7:08




2




2




@Vylix another great example of Sage Advice going against RAW and logic
– András
Dec 13 at 7:14




@Vylix another great example of Sage Advice going against RAW and logic
– András
Dec 13 at 7:14












@andrás I think you are mistaken. Critical hits only double the damage dealt when the attack hits. Booming blade sets a conditional effect to deal damage at a later turn. No crit I know of deals extra damage after the attack is resolved.
– Mindwin
Dec 13 at 11:23




@andrás I think you are mistaken. Critical hits only double the damage dealt when the attack hits. Booming blade sets a conditional effect to deal damage at a later turn. No crit I know of deals extra damage after the attack is resolved.
– Mindwin
Dec 13 at 11:23




1




1




@Mindwin I believe Andras was referring to Green Flame Blade not Booming Blade.
– linksassin
Dec 13 at 11:37





@Mindwin I believe Andras was referring to Green Flame Blade not Booming Blade.
– linksassin
Dec 13 at 11:37





1




1




@Mindwin They are 5th level the calculation is correct.
– linksassin
Dec 13 at 11:37




@Mindwin They are 5th level the calculation is correct.
– linksassin
Dec 13 at 11:37

















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