D&D 5E Vs Vecna battle simulations.

[Flamestrike]

If SOMEHOW a character was able to mimic dread Counterepell then yes they could.

No they couldnt, unless the character was somehow able to know a spell was being cast.

The character doesnt know a spell is being cast, when it is being cast without components. There is no trigger for that characters reaction.

It's no different from a trigger of 'when I see an enemy, thinking about his Father.' Unless there is some clue that the enemy you can see is in fact, thinking about his Father, your reaction never triggers.

 

[Dausuul]

It is magic IMO, due to the highlighted statement, whether the magic is part of the magic of the dagger, or just part of Vecna's magic, especially since it is the same amount (2d8 necrotic damage) both on the hit and the rounds afterwards:

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The "entropic magic" describes the ongoing damage; it does not refer to the original 2d8 necrotic. For instance, if the target is not a creature, it is not "afflicted by entropic magic," but it still takes the initial 2d8 necrotic.

If the paladin can channel divine power for IDS, Vecna should certainly be able to channel necrotic damage through his dagger. (I don't think it changes the outcome any, though. Even if he rolled the maximum both times, he would only have done 21 total per hit, which is still only DC 10 to hold concentration.)

 

[DND_Reborn]

The "entropic magic" describes the ongoing damage; it does not refer to the original 2d8 necrotic. For instance, if the target is not a creature, it is not "afflicted by entropic magic," but it still takes the initial 2d8 necrotic.

If the paladin can channel divine power for IDS, Vecna should certainly be able to channel necrotic damage through his dagger. (I don't think it changes the outcome any, though. Even if he rolled the maximum both times, he would only have done 21 total per hit, which is still only DC 10 to hold concentration.)

Yeah, I was actually just thinking along these lines as well.

It doesn't change anything, but that is why I wrote Egar will likely do this:

Egar moves out of reach to prevent Vecna from striking him.

 

[Flamestrike]

"And I will execute great vengeance upon them with furious rebukes;"

I had an Idea for a Vengeance Paladin/ Frenzy Barbarian called Jules who goes around saying 'And I will strike you down with great vengeance and furrrrious anger...'

 

[Flamestrike]

The "entropic magic" describes the ongoing damage; it does not refer to the original 2d8 necrotic. For instance, if the target is not a creature, it is not "afflicted by entropic magic," but it still takes the initial 2d8 necrotic.

If the paladin can channel divine power for IDS, Vecna should certainly be able to channel necrotic damage through his dagger. (I don't think it changes the outcome any, though. Even if he rolled the maximum both times, he would only have done 21 total per hit, which is still only DC 10 to hold concentration.)

Vecna can teleport in an AMF just fine anyway.

The ability is not magical, and is not affected by an AMF.

 

[Dausuul]

Yeah, I was actually just thinking along these lines as well.

It doesn't change anything, but that is why I wrote Egar will likely do this:

Vecna does get two more cracks at Egar if he wants to take them: Once with an opportunity attack, and once by throwing the dagger. But his chances of breaking concentration that way, while not quite zero, are absurdly low.

Vecna can teleport in an AMF just fine anyway.

The ability is not magical, and is not affected by an AMF.

Antimagic field specifically states that teleportation and planar travel do not work.

 

[Greg Benage]

Antimagic field specifically states that teleportation and planar travel do not work.

Haha, this is true.

 

[Stalker0]

So Fighter 1 has his turn, and Vecna teleports after getting hit with arrow 1. The rest miss (they didnt take seeking arrow). Rinse and repeat for Fighter 2.

After Vecna teleports from the 1st hit, the Fighter moves 30 feet to the side and now can target Vecna. Maybe some cover, but he will still get in his other hits.

 

[Mort]

No they couldnt, unless the character was somehow able to know a spell was being cast.

The character doesnt know a spell is being cast, when it is being cast without components. There is no trigger for that characters reaction.

It's no different from a trigger of 'when I see an enemy, thinking about his Father.' Unless there is some clue that the enemy you can see is in fact, thinking about his Father, your reaction never triggers.

Last attempt then I'm done.

You're STILL arguing about regular Counterepell not Vecna's ability. Not all reactions require knowledge beforehand. Shield, for example, can be cast after you know you've been hit, no anticipation required. Vecna's ability can work the same way.

Requirements:

1. Vecna must be able to see the target;

2. The target must be casting a spell. (Notice no requirement that Vecna know the dork is bring cast, it's NOT there)

If both are true Vecna can dread Counterepell, just like if a wizard is hit, he can cast shield.

This is expressly different from regular Counterepell where there is only one linked condition "you see a creature within 60' casting a spell..." So, here, the condition is clearly that the wizard must know a spell is bring cast.

Bottom line, it's different and it makes sense. Vecna is SUPPOSED to be a nightmare for casters and has a unique Counterepell ability to facilitate this.

 

[FitzTheRuke]

No they couldnt, unless the character was somehow able to know a spell was being cast.

The character doesnt know a spell is being cast, when it is being cast without components. There is no trigger for that characters reaction.

It's no different from a trigger of 'when I see an enemy, thinking about his Father.' Unless there is some clue that the enemy you can see is in fact, thinking about his Father, your reaction never triggers.

I still think that you are working under the assumption that casting a spell takes no more mental effort than "thinking about your father" (as long as it has its VSM removed). Personally, I think it takes A LOT more effort than that.

The whole truth is, neither of us has any idea what it takes, as it's something that isn't real, and isn't described. I'm not trying to say you're wrong - we just don't really know what is happening, or what it looks like. All we know is they are "casting a spell" (without words, motions, or materials). Maybe they scrunch up their face with mental effort. Maybe colorful swirls fly around their heads. Who knows? I just don't think we can assume that they casually stroll along as if doing nothing, and yet over there reality suddenly shifts for seemingly no reason at all.

Edit: To be clear, I am not saying that everyone can tell that a spell is being cast. But someone like Vecna? It's not that much of a stretch.