D&D 5E Uncanny Dodge vs FIREBALL

His point is that while a cloud of fire gives a dex save, a cloud of frost gives a con save. Apparently snow is undodgeable, but lightning isn't.
 

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Dodging AoE attacks is pretty lame anyway.

Conditions that don't alter your ability to dodge out of the way of AoE attacks Blinded, Grappled, and Incapacitated.

A literal white room situation, your character is in the middle of a plain white circular room with a 30' radius, he is blind and an AoE effect goes off like a magical trap fireball. He makes a Dexterity save to avoid the effect, how does he do it? He doesn't leave his square, if you use theater of the mind and you think he jumps clear, what if the room has a 20' radius? The blind character is a rogue with evasion, he takes no damage at all on a successful save.
If dropping prone is a part of your expectation on how they dodge the fireball, two points one the character doesn't end up with the prone condition do to trying a dexterity save and you would imagine the prone condition would give you some kind of bonus vs AoE effects but it doesn't.
 

Dodging AoE attacks is pretty lame anyway.

Conditions that don't alter your ability to dodge out of the way of AoE attacks Blinded, Grappled, and Incapacitated.

A literal white room situation, your character is in the middle of a plain white circular room with a 30' radius, he is blind and an AoE effect goes off like a magical trap fireball. He makes a Dexterity save to avoid the effect, how does he do it? He doesn't leave his square, if you use theater of the mind and you think he jumps clear, what if the room has a 20' radius? The blind character is a rogue with evasion, he takes no damage at all on a successful save.
If dropping prone is a part of your expectation on how they dodge the fireball, two points one the character doesn't end up with the prone condition do to trying a dexterity save and you would imagine the prone condition would give you some kind of bonus vs AoE effects but it doesn't.

If the room is 20' radius ad a fireball goes off in the middle, the rogue can jump into the corner of the floor and the wall which will be mostly out of the range of the fireball. Strictly speaking, a 20' radius sphere inside a 20' radius room would only touch the walls at the height of its detonation point. In the case of multiple people in the room, the creature succeeding in its Dex save could hide behind another creature that failed. The point is not to rewrite the rules on how to avoid AoE damage, but to explain away the rules on a strange situation. So those would be a couple ways to explain away the save if one was so inclined. If a DM felt like the mechanics of a situation negated any ability to save, then they just need to not allow the save in the first place.
 

But you never change position when you make a dexterity save, you always stay within your 5' square and never end up prone. You can't duck behind someone else because they are in another square.

It also doesn't matter how many dexterity saves you need to make in a round, it's not like it takes up your reaction or anything.

You can only ever get one parting swing, but if 5 people cast burning hands on you you can bob and weave in your 5' square ducking and dodging every single one.
 

For Uncanny Dodge, I tend to think you are right. GMforPowergamers is right in that "attack" isn't well-defined. Over on the Wizards boards, this came up and people focused on what an attack is; going by the definition of an attack requiring an attack roll, an invisible dragon does -not- lose invisibility when using its breath weapon.

Does that seem right to you?

The Dragon's Frightful Presence does not negate the Invisibility either. B-)


This is not an issue with the definition of attack though (which is defined), it's a problem with how Invisibility is written.
 


The Dragon's Frightful Presence does not negate the Invisibility either. B-)


This is not an issue with the definition of attack though (which is defined), it's a problem with how Invisibility is written.

I would think the dragon would need to be visible to use its Frightful Presence. If a DM wanted to use it with just the voice, I would think advantage on the saving throw would be in order.
 

that falls apart as soon as you look at everything else that revolves around attacks... invisiability, hidden, or just about anything...

yea, the rule is weird, and in no way intuitive. It is cludgy and in now way works
Invisibility does not revolve solely around attacks. Hiding creatures can be revealed in many ways other than attacking.

Normal invisibility breaks on casting a spell of any kind, including fireball. Not a problem.

You become unhidden if you make noise, as a spell with a verbal component, including fireball. Not a problem.

(If someone is hidden and casts a spell with no verbal component, I don't see any reason to think they should be revealed.)

If you actually paid attention to the rules you assume are wonky, you'd find out that they are a lot less wonky than you claim.
 

Joe Liker;6494944 You become unhidden if you make noise said:
fireball[/I]. Not a problem.

How do you figure?

"You can’t hide from a creature that can see you, and if you
make noise (such as shouting a warning or knocking over a
vase), you give away your position."

I doubt casting a spell with a verbal component involves noise like shouting a warning or knocking over a vase...

Do you think hidden dragons should give away their position when using their breath weapons?
 

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