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Old 06-09-2011, 09:37 AM   #11
Maz
 
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Default Re: Magical DR stacking?

Thanks everyone. I had forgotten that magical armour-DR breaks so easily. That make it much less of a problem than I feared.
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Old 06-09-2011, 10:17 AM   #12
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Default Re: Magical DR stacking?

Quote:
Originally Posted by Maz View Post
Thanks everyone. I had forgotten that magical armour-DR breaks so easily. That make it much less of a problem than I feared.

'Ware, O GM, of the Mage with the Repair spell...

Lo for he will have a golden career path laid afront him, Repairing the Armor of foolish, fragile adventurers...
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Old 06-09-2011, 02:29 PM   #13
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Default Re: Magical DR stacking?

Sorry, when I made my last reply, I was sleepy and thinking about stacking DB, not DR. People normally ask about the Deflect spell.

Here was the post I was referencing:

Quote:
Originally Posted by EtVous View Post
I contacted Dr. Kromm on the issue of stacking DB. Here is his take on it:

Quote:
Originally Posted by e-mail from Dr. Kromm
* A shield is the only realistic way to get DB. All other source of DB
involve magic, superscience, etc. This explains why the main discussion
of DB in the BASIC SET is in the ultra-specific context of shields.

* The DB from the Deflect spell is a magical force field that surrounds
the hit location(s) protected by the item that bears the Deflect spell.
It ISN'T a surface property like PD in 3e! It's a force field.

* The DB of a shield (be it natural or boosted by a Deflect spell) and
that of a Deflect spell on armor or clothing "stack."

* The DB from multiple Deflect spells on armor or clothing covering a
hit location doesn't "stack." It obeys the last paragraph of "Limits on
Effect" on p. B237 -- i.e., only the highest DB applies. This doesn't
have to be the DB of the outer layer, for reasons given above.

Suppose I have a magic corselet with Deflect +1 (DB 1), a magic shirt
with Deflect +2 (DB 2), an ordinary medium shield (DB 2), and a magic
medium shield with Deflect +1 (DB 3). I could have following combos:

Naked: DB 0.

Magic corselet, no shield: DB 1.

Magic shirt, no shield: DB 2.
Magic corselet and magic shirt, no shield: DB 2.
No armor or clothing, medium shield: DB 2.

No armor or clothing, magic medium shield: DB 3.
Magic corselet, medium shield: DB 3.

Magic shirt, medium shield: DB 4.
Magic corselet, magic shirt, and medium shield: DB 4.
Magic corselet, magic medium shield: DB 4.

Magic shirt, magic medium shield: DB 5.
Magic corselet, magic shirt, and magic medium shield: DB 5.

If the GM allows Deflect on a weapon, it can stack up as well. Me, I
think that's execssive.
Hope this helps,

Al
I believe, though, that his reply answers your questions indirectly.

Quote:
Originally Posted by Maz View Post
I'm still not used to GURPS Magic system, usually playing sci-fi.
So a couple of questions about how magical DR stack:

1) If I have any sort of armour that has been enchanted to provide DR, does this stack with the spell Armour?

2) Can I wear multiple layers of enchanted material each with it's own magical DR, all stacking together. (Say cloth+chain+plate)
Trying to follow RAW as closely as possible, I wouldn't allow either case to stack.

Quote:
Originally Posted by p. B237
If either type of variable spell is cast
on the same subject more than once,
only the spell with the most powerful
effects counts – multiple instances of a
given spell do not “stack” or add in any
way. Spells that heal, damage, or otherwise
permanently affect the subject
are an exception: you may cast such
spells repeatedly, healing or damaging
the subject by the full amount each
time.
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Old 06-09-2011, 02:43 PM   #14
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Default Re: Magical DR stacking?

Quote:
Originally Posted by Stripe View Post
Trying to follow RAW as closely as possible, I wouldn't allow either case to stack.
The subject of a Fortify spell is the armor, not the wearer. The subject of an Armor spell is the wearer. The RAW seems to say that they do stack.
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Old 06-09-2011, 08:06 PM   #15
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Default Re: Magical DR stacking?

The main problem with letting multiple Fortify enchantments stack is when you have someone enchant three or four shirts with, say, two levels of Fortify each, and suddenly they have more DR than a steel breastplate for a fraction of the weight and cost. It's slightly more fragile (If your game even keeps track of armor damage), but the occasional magical repair would keep it in good shape.

Fortify and Armor should stack, however, yes.
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Old 06-09-2011, 08:10 PM   #16
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Default Re: Magical DR stacking?

Quote:
Originally Posted by Phoenix_Dragon View Post
It's slightly more fragile (If your game even keeps track of armor damage), but the occasional magical repair would keep it in good shape.
It's a lot more fragile. Five penetrations and it's done.
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Old 06-09-2011, 08:11 PM   #17
Stripe
 
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Default Re: Magical DR stacking?

Quote:
Originally Posted by sir_pudding View Post
The subject of a Fortify spell is the armor, not the wearer. The subject of an Armor spell is the wearer. The RAW seems to say that they do stack.
Yeah, I agree.
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Old 06-09-2011, 11:44 PM   #18
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Default Re: Magical DR stacking?

Quote:
Originally Posted by sir_pudding View Post
It's a lot more fragile. Five penetrations and it's done.
If they wear their magic shirts under mundane armor, it will get penetrated much less often. I think it's too abusable, and don't allow multiple Fortify enchantments to affect a given location.
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Old 06-10-2011, 12:49 AM   #19
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Default Re: Magical DR stacking?

Quote:
Originally Posted by Phoenix_Dragon View Post
The main problem with letting multiple Fortify enchantments stack is when you have someone enchant three or four shirts with, say, two levels of Fortify each, and suddenly they have more DR than a steel breastplate for a fraction of the weight and cost. It's slightly more fragile (If your game even keeps track of armor damage), but the occasional magical repair would keep it in good shape.
Dont forget you end up with DX - (number of shirts -1), while a steel breastplate might increase you one encumberance level. Unless you have low ST this isnt really attractive and you cripple all your defenses instead of only your dodge, and its way more expensive, a fortify 2 cloth armor comes at allmost the price of 5 steel breastplates. In addition after a serious fight, the outer layer is likely destroyed, so a new magical xxxl shirt every fight plus a repair spell for the second an maybe the third doesnt seem even remotely cost effective.
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Old 06-10-2011, 05:37 AM   #20
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Default Re: Magical DR stacking?

Quote:
Originally Posted by Woodman View Post
Dont forget you end up with DX - (number of shirts -1)
No you don't. That rule is for armor, not for clothing. If I wear an undershirt, a button-up shirt, a light vest, and a jacket, I'm not at -3 to DX. Just like you're not at -1 DX for wearing underwear under your pants.

I'm not saying that using enchanted shirts is a great deal, but it leads to some very serious oddities. Especially if you have it on your clothes under your actual armor.
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