D&D 5E Armour as Damage Threshold

ElPsyCongroo

Explorer
Damage rolls that do not beat Threshold value are negated , those that beat said value do full unmitigated damage.
Not sure what values would be best as of yet but this adds some difference between being unarmoured or armoured in fullplate.
As a test example:
Damage Threshold = Armour AC ÷ 2
Full Plate = 18÷2 = 9DT
Ancient Red Dragon (Natural Armour) = 22÷2= 11DT
Mage Armor =13÷2 = 6DT

Would you make it less more, calculate it differently?
 

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Oofta

Legend
I wouldn't want this, or it's permutations, because it's too arbitrary and doesn't match the math monsters are built on. A monster that has 1 big attack is unaffected, monsters that have many small attacks are potentially nerfed. Also frequently eliminates the threat of lower level mobs.

If you had something like this you also have to have some way of overcoming AC without resulting to big damage attack that we don't have.
 

ElPsyCongroo

Explorer
Another idea would be to significantly increase the damage threshold but instead of completely mitigating damage it would act as Resistance tying it in more with 5e's system, beating this threshold would again negate this Resistance.
 

ElPsyCongroo

Explorer
I wouldn't want this, or it's permutations, because it's too arbitrary and doesn't match the math monsters are built on. A monster that has 1 big attack is unaffected, monsters that have many small attacks are potentially nerfed. Also frequently eliminates the threat of lower level mobs.

If you had something like this you also have to have some way of overcoming AC without resulting to big damage attack that we don't have.
Would Exploding Dice level this a bit in the favour of smaller damage die?
 

Oofta

Legend
Would Exploding Dice level this a bit in the favour of smaller damage die?
It depends on how complex you want to get with rules. Really good armor is pretty much impenetrable by normal weapons. You could do damage through concussive force, but a lot of times it simply came down to wrestling the target to the ground (or your opponent collapsing from exhaustion) and finding a gap in the armor.

So that horde of [insert relatively low level enemy] could wrestle the target to the ground and pull off the target's helmet in order to kill them. Is that something you want to model? Fighters in full plate were like tanks of their day. Virtually unstoppable if they had supporting troops but can be overwhelmed by numbers. Not sure how to model that.

Take two CR 8 monsters as an example, a hydra and a frost giant. The hydra does 10 damage per hit but has 5+ attacks. A frost giant has 2 attacks doing 25 points of damage each. Assuming exploding dice only applies on a crit, it helps a little but probably not enough.

It's an interesting idea and I'm sure other systems work well enough, I'm just not sure how to make it work for D&D's assumptions.
 

I'd want to play a wizard with high-damage spells, and a Rust Monster as a pet. And at least I can finally agree with others that fighters are underpowered. In this scenario, fighters are just a meatshield to protect the wizard.

I don't know what Exploding Dice do, but unless they do at least 8d6 fire damage in a 20 ft radius, they are not going to convince me.
 

ElPsyCongroo

Explorer
I'd want to play a wizard with high-damage spells, and a Rust Monster as a pet. And at least I can finally agree with others that fighters are underpowered. In this scenario, fighters are just a meatshield to protect the wizard.

I don't know what Exploding Dice do, but unless they do at least 8d6 fire damage in a 20 ft radius, they are not going to convince me.
I mean this wouldn't make much difference to a Wizard who uses non physical attacks, Fighters often play the position of Meatshield/Line Defence for the harder hitting yet squishy backline anyway
 

Blue

Ravenous Bugblatter Beast of Traal
Just to play with this...

Physical armor does not add to AC. Need to make calls for various non-physical armor like Mage Armor. They still apply Max Dex, though for heavy armor that changes to +0.
Shields add to AC and Bastion rating (see below).
Proficiency gets added to AC.

All characters have a Bastion rating. It is physical armor increase over 10 + shield + proficiency + CON mod.
All B/P/S damage equal or lower to Bastion rating is Resisted.
If you would normally Resist the damage (such as a raging barbarian), you ignore it instead.
Heavy Armor Mastery feat is replaced with Solid feat which just adds 4 to a character's Bastion rating.
 

I tried it at one point and it just never works with the 5e framework. Slowed down action resolution too much to make it worthwhile.

I ended up adding DR to heavy armor and just stuck with AC.
 

Stormonu

Legend
If D&D were to be rebuilt, I'd like to see something like DR done for armor instead of escalating AC. Having a fixed DR would be easiest, but you could also do it with a "reaction" dice. Say:

Light Armor: d4 DR
Medium Armor: d6 to d8 DR
Heavy Armor: d10 to d12 DR
Shield adds to AC & d4 DR

You'd have to go through monsters and recalculate their AC into DR, and it'd likely change CRs.
 

Chris Currie

Explorer
If D&D were to be rebuilt, I'd like to see something like DR done for armor instead of escalating AC. Having a fixed DR would be easiest, but you could also do it with a "reaction" dice. Say:

Light Armor: d4 DR
Medium Armor: d6 to d8 DR
Heavy Armor: d10 to d12 DR
Shield adds to AC & d4 DR

You'd have to go through monsters and recalculate their AC into DR, and it'd likely change CRs.
I don't think you can just copy the Elric/Magic World armor tables and drop them in D&D without the rest of the context.
 

Stalker0

Legend
The Dragon Warrior idea is neat. I could see a situation where an Axe is a d10/4 (more armor penetration/less damage) damage where a sword is a d8/5 kind of scenario, etc.

The fundamental issue with armor as DR in the Dnd setting is.... dnd supports a very wide range of archetypes. The rogue with a dagger is supposed to competitive with the berserker with the greatsword. But once you calculate in DR that goes out the window. At that point no sane warrior is going to use a shortsword or dagger, and all of your balance shifts to bigger and bigger weapons and more and more strength/dex (because now your raw damage bonus is double dipping, you do more damage but you also penetrate armor more).

dnd is NOT realistic, it allows for a wide variety of motiffs that are just not viable when combat is realistic.
 

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