CMB and CMD Modifiers


Rules Questions


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This is probably a simple question but I myself am unsure to the answer.

What exactly can augment your CMB and CMD? Besides what is already on the character sheet. I have heard Dodge bonuses and Luck bonuses affect CMD but what else? Armor enhancement bonuses? Magic rings/shields? And for CMB I have been told certain spell buffs affect the number (Bless, Bard Song, Good Hope, Haste etc.) but what about the enhancement bonus of your weapon for sunder/trip attempts? And weapon focus for that weapon? And what about Luck/competence bonuses to "Attack rolls", would those affect CMB?

If anyone has a good answer for this (And a location where it's written in the rules) I would be grateful

Sczarni

Anything that boosts your attack rolls equally boosts your Combat Maneuver checks, because Combat Maneuver checks are attack rolls.

If you have, say, a +1 weapon, you'd also add that +1 to any Combat Maneuvers you perform with said weapon, such as Sunder, Trip, or Disarm (and possibly others).

Many bonuses to your AC also affect your CMD, although I don't have a link for which ones they are right now. Dodge, Deflection, Luck, and Insight definitely do, but can't think of them all right now.

EDIT: Found it...

Combat wrote:
A creature can also add any circumstance, deflection, dodge, insight, luck, morale, profane, and sacred bonuses to AC to its CMD. Any penalties to a creature's AC also apply to its CMD. A flat-footed creature does not add its Dexterity bonus to its CMD.


Oh wow, now I know why everyone else always has a massive CMD CMB over me. Also I just found something I am unsure about, I am asking about this specifically because I have a Barbarian who recently picked up Spell Sunder. As it is technically a Sunder combat maneuver I would receive my weapons enchantment bonus to the roll.

Then I found this, from UE page 140 Dispelling

A dispelling weapon functions like a spell storing weapon, but it may only store dispel magic; however, the caster level check to dispel gains an ADDITIONAL bonus equal to the weapon's enhancement bonus. This bonus also applies to a magus's dispelling strike arcana or a barbarians's spell sunder or sunder enchantment combat maneuver check.

Now this enchantment says Additional but I am unsure if it would stack with the enchantment bonus the Spell sunder CMB check would already receive from an enchanted weapon.

Am I thinking to hard about this? or can someone give me some clarification

Sczarni

It's an untyped bonus equal to the weapon's enhancement bonus, so it would stack with the enhancement bonus of your weapon for Spell Sunder attempts.


Great!

Thank you for the quick answers Nefreet!

Lantern Lodge

Using total defence or fighting defensively can boost your CMD.

If you use Smite Evil on a evil target, the bonuses to attack and AC would also boost your CMB and CMD.

It is possible to make characters with extremely high CMB in a particular Combat Maneuver. This can be done by stacking the bonuses from feats, weapons enchantments, and items.
So much so that such characters can succeed on a Combat Maneuver check with even a roll of 2.

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