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Subject:Class Defense Bonus to AC
Time:04:30 am
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  Class Defense Bonus         .

                As a Character increases in experience, he becomes more aware of his surroundings, the flow of battle, and the many tricks and feints of his enemies.  All of these things contribute to increase the defensive capabilities of the Character.  The Character’s Base Defense Bonus (BDB) simulates this progressive ability by providing a bonus to defense that increases at a fixed rate dependant upon combat and relative defensive abilities of the class.

                Armour Class (AC)

                Your Armour Class represents how hard it is for opponents to land a solid, damaging blow on you.  It’s the Attack roll result that an opponent needs to achieve to hit you.  The average, unarmoured peasant has an Armour Class of 10.  Your Armour Class is equal to the following:

10 + Base Defense Bonus (or 1/2; rounded down) + Dexterity Bonus to AC + Armour or Equipment Bonus + Size Modifier

                Base Defense Bonus:  Your class and level grant an innate bonus to Armour Class.  This measures your combat savvy and applies to all situations, even when your flat-footed or would lose your Dexterity Bonus.  Your Base Defense Bonus only partially stacks with the equipment bonus for wearing armour, as it restricts your movement, perception and forces unnatural perceptions of danger and situation.  When Wearing Armour or Carrying a Tower Shield (Special Circumstance) you may only add one-half (rounded down) of your Base Defense Bonus to AC.

                Dexterity Bonus:  If your Dexterity is high, you are particularly adept at dodging blows.  If your Dexterity is low, you are particularly inept at it.  That why you apply your Dexterity Modifier to Armour Class. 

                Not that Armour Limits Your Dexterity Modifier to AC, so if your wearing armour you might not be able to apply your whole Dexterity Bonus to your AC (see Table 7-5: Armour and Shields).

                Sometimes you can’t use your Dexterity Bonus (if you have one).  The AC bonus  you get for a high Dexterity represents your ability to dodge incoming attacks.  If you cant react to a blow, you cant use your Dexterity Bonus to Armour Class.  (if you don’t have a Dexterity Bonus to Armour Class- Nothing Happens)  You Lose your Dexterity bonus when for example, an invisible opponent attacks you, you’re hanging on for dear life to the edge of a crumbling cliff, or your caught flat-footed at the beginning of combat.

                Armour or Equipment Bonus:  Your Armour and Shield each provide a bonus to your armour class as listed in the Equipment Section.  This bonus represents there ability to protect you from blows.  Additionally, armour provides a limited form of Damage Reduction (listed Under the Revised Armour Stats Below) which can prevent some or all of damage inflicted from a specific attack.  Again, if your wearing armour, you may only use one-half of your Base Defense Bonus (rounded down) to AC.  Shields May be used without affecting your ability to maneuver, and allow you to use your full Base Defense Bonus.

                Size Modifier:  The bigger a creature is the easier it is to hit in combat.  The smaller it is, the harder it is to hit.  Since this same modifier applies to attack rolls,  a Giant, for instance, doesn’t have a hard time hitting another giant.  Size Modifiers are as follows:  Colossal -8, Gargantuan -4, Huge -2, Large -1, Medium +0, Small +1, Tiny +2, Diminutive +4, and Fine +8.

Table 9-3:  Base Defense Bonus Progression

Level

BD-3

BD-2

BD-1

1

+2

+3

+4

2

+2

+4

+5

3

+3

+4

+5

4

+3

+5

+6

5

+3

+5

+6

6

+4

+5

+7

7

+4

+6

+7

8

+4

+6

+8

9

+5

+7

+8

10

+5

+7

+9

11

+5

+7

+9

12

+6

+8

+10

13

+6

+8

+10

14

+6

+9

+11

15

+7

+9

+11

16

+7

+9

+12

17

+7

+10

+12

18

+8

+10

+13

19

+8

+11

+13

20

+8

+11

+14

                The Progressions

                Different Classes in both Dungeons & Dragons Version 3.5 and Advanced D20 progress at different rates with there Base Defense Bonus.  There are Three different Progressions of Base Defense Bonus, as with saves and Base attack Bonus, and all three start at a fixed integer, and increase by fractions every level thereafter.  The fractional increase is determined for each progression individually, and can be assessed on the above chart (Table 9-3:  Base Defense Bonus Progressions).

Table 9-4:  Base Defense Bonuses By Class

Advanced D20

D&D Version 3.5

Class

Progression

Class

Progression

Artisan

BD-3

Barbarian

BD-2

Aesthetic

BD-2

Bard

BD-2

Channeler

BD-2

Cleric

BD-3

Druid

BD-2

Druid

BD-3

Fighter

BD-1

Fighter

BD-2

Noble

BD-2

Monk

BD-2

Practitioner

BD-3

Paladin

BD-2

Ranger

BD-2

Ranger

BD-1

Rogue

BD-2

Rogue

BD-2

Sorcerer

BD-2

Sorcerer

BD-3

Unfettered

BD-1

Wizard

BD-3

Warmain

BD-3

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raion
Link:(Link)
Time:2007-05-06 04:17 pm (UTC)
So, based on normal d&d, my AC for the last fight would be... 15+X
10+3(dex)+2(leather)+X(expertise) with no DR
Based on what we were doing last night, it was... 14+X
10+3(dex)+1(leather)+X(expertise) with 1/(P or S) DR

Based on this, it should have been.. 16+X
10+3(dex)+2(half DB)+1(leather)+X(expertise) with 1/(P or S) DR
While Unarmored it could have been.. 18+x
10+3(dex)+5(DB)+X(expertise) with no DR

and if we were using standard 3.5 DB it could have been even higher..

oh, and had I been using my shield, you could add a +2 to the first one, or a +4 to the later ones.

that sound about right? If so, I'm game.. and considering whether it's worth wearing armor ;)
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artemissgk
Subject:yes and no
Link:(Link)
Time:2007-05-06 09:07 pm (UTC)
multi clasing affects base defense bonus, but I seem to have left that out. crap.
for every class beyond the first, you subtract 2 from the base defense bonus.
also I have now officially changed leather armour, and it protects against slashing.
so under this system your ac would be...
10 + 6 (BDB) +3 (Dex) while unarmoured + 4 for shield
10 + 3 (BDB) +3 (Dex) +1 (Leather) with DR 1/p, once again +4 for shield. this gives you a sack of 2 AC sacked for a point of damage reduction. not neccesarily a good trade, but definitely closer. additionally, I am changing the assigned BD values, cause they are a little off. Ranger goes down to the second one, and monk and fighter go up too the first one.
this means that it lowers your BD by 1, or as follows:
10 + 5 (BDB) +3 (Dex) while unarmoured + 4 for shield
10 + 2 (BDB)+3 (Dex) +1 (Leather) with DR 1/p, once again +4 for shield. still sacking 2 for using the armour. however, heavier armour would be of great benefit to you...
Plus, the whole armour compatability things will come up once I have finished re-writing my classes, again, for the billionth time. which will help make life a little easier, since at 4th level rangers gain armour compatability (Light) with there animal companion. I have a feeling that makes life a little less complicated for you.
(Reply) (Parent) (Thread)


raion
Subject:Re: yes and no
Link:(Link)
Time:2007-05-06 09:21 pm (UTC)
I was counting it as two BD-2s stacking perfectly, not standard multiclass stacking...
So are we using D&D or AD20?
(Reply) (Parent) (Thread)


artemissgk
Subject:Re: yes and no
Link:(Link)
Time:2007-05-06 09:34 pm (UTC)
well of note, its always goes standard multi-class stacking. two BD 2's do not make a BD of +5 at 6th level (a split of 3/3 of course), but actually make a BD of, well, 6. eek to me for sucking. misread what you meant there. anywho, yeah we will be using AD20, since the tallied votes are in. I was thinking of including it for this upcoming sesion to add some survivability to the party, but I dont think its going to happen. I'm thinking were just going to wait and pray.
*Hands together murmuring* "o God, Save me from the TPK!"
(Reply) (Parent) (Thread)

[icon] Class Defense Bonus to AC - Musings of Mine
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