At 4th level take warcaster. Use two weapons shadowblade and short sword. At 6th level I attack with shadowblade first attack then on my second attack I cast a cantrop green flame blade and attack with my off hand getting my dex bonus and then use it again as a bonus action. Is this doable? Also curious if you allow booming blade or green flame blade on the shadowblade? Thanks for the imput
By RAW you cannot use Shadow Blade (SB) with the cantrips Green-Flame Blade (GFB) or Booming Blade (BB). These cantrips require that you use a melee weapon worth 1 silver piece and that you use that specific weapon for the attack.
You can certainly do the following:
Attack Action - First Attack - Cantrip - GFB/BB for 1d8 more damage to the target (plus the situational additions those cantrips provide), on top of the weapon damage (such as 1d6 for shortsword).
Attack Action - Second Attack - SB - for 2d8 damage (more if you had upcast the spell).
Bonus Action - Two-Weapon Fighting - for additional weapon damage, sans the str/dex mod unless you have Two-Weapon Fighting Style somehow (such as from Fighter Initiate feat).
Assuming you used a shortsword and have 18 dex that would be: 1d6 + 4 + 1d8 + 2d8 + 1d6. Or 2d6+3d8+4, which is an average of 7 + 13 + 4 = 24 damage. If you had the TWF style that's average 28.
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Just leaving this link here where Jeremy Crawford adress the Booming Blade / Shadow Blade combo saying he would allow it as the 1sp Weapon requirement wasn't meant to prohibit these combo at all.
You can’t use bb or GFB as a bonus action attack as they each tak an action to cast. You also only get 1 attack when using them unless you are a bladesinger of 6th level or more
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At 4th level take warcaster. Use two weapons shadowblade and short sword. At 6th level I attack with shadowblade first attack then on my second attack I cast a cantrop green flame blade and attack with my off hand getting my dex bonus and then use it again as a bonus action. Is this doable? Also curious if you allow booming blade or green flame blade on the shadowblade? Thanks for the imput
By RAW you cannot use Shadow Blade (SB) with the cantrips Green-Flame Blade (GFB) or Booming Blade (BB). These cantrips require that you use a melee weapon worth 1 silver piece and that you use that specific weapon for the attack.
You can certainly do the following:
Attack Action - First Attack - Cantrip - GFB/BB for 1d8 more damage to the target (plus the situational additions those cantrips provide), on top of the weapon damage (such as 1d6 for shortsword).
Attack Action - Second Attack - SB - for 2d8 damage (more if you had upcast the spell).
Bonus Action - Two-Weapon Fighting - for additional weapon damage, sans the str/dex mod unless you have Two-Weapon Fighting Style somehow (such as from Fighter Initiate feat).
Assuming you used a shortsword and have 18 dex that would be: 1d6 + 4 + 1d8 + 2d8 + 1d6. Or 2d6+3d8+4, which is an average of 7 + 13 + 4 = 24 damage. If you had the TWF style that's average 28.
Click ✨ HERE ✨ For My Youtube Videos featuring Guides, Tips & Tricks for using D&D Beyond.
Need help with Homebrew? Check out ✨ this FAQ/Guide thread ✨ by IamSposta.
So I have a 1lvl Fighter/ 10th lvl Bladesinger with Two weapon fighting.
I could:
*First Round Action
Attack twice with Scimitar Or Cast spell Bonus Action Bladesong
*2nd Round Action Two Attacks Shadow Blade (3D8+4)
Bonus Action Cast Shadow Blade 3rd lvl
*Third Round Action Two Attacks Shadow Blade (3D8+4)
Bonus Action Booming Blade with +1 Scimitar (1d6+4) + (2d8 BB)
Just leaving this link here where Jeremy Crawford adress the Booming Blade / Shadow Blade combo saying he would allow it as the 1sp Weapon requirement wasn't meant to prohibit these combo at all.
Jeremy Crawford's take on this
You can’t use bb or GFB as a bonus action attack as they each tak an action to cast. You also only get 1 attack when using them unless you are a bladesinger of 6th level or more