Buff/Debuff Caps charts

COMBAT SKILL BUFFS
stat ************* max buff ******** Max debuff
Attack *********** 800% ************ -25%
Defense ********** 4000% *********** -25%
Life ************* 200% ************ -50%
Speed ************ 300% ************ -50% (combat speed)
Range ************ 150% ************ -25%
Load ************* 500% ************** 0%
Accuracy ********* 1 *************** -0.1 **** listed in points final value nust be between 0.1 and 2.0
Accuracy ********* 100% ************* -10% **** listed as a percentage

MARCH BUFFS:
Attribute ********* Buff Cap **** Debuff Cap *** Explanation
March Size ********* 150% ******* none ********
Marching speed **** 500% ******** -10% ******** debuff must only apply to combat speed???

CRAFTING BUFFS
Attribute ********** Cap ************* Affect
Crafting Success **** 25% ******* I've never actually seen this one.
Crafting Speed ****** 200% *******

SPEED BUFFS
Training Speed ****** 4000%
Construction Speed *** 600%
Research Speed ******* 400%
Resource Production * 2000% note this buff is applied AFTER all other boosts and bonuses

RESOURCE BOOSTS: Affect resource usage and production
Attribute ********* Cap *** Explanation
Upkeep ************ 33% **** Reduce Troop upkeep
Storehouse Cap ** 1000% **** Increase the amounts protected by the storehouse.
Resource Cap ***** 200% **** Increase the amount of a resource a city can have and still have fields produce more. Aetherstone cap ** 200% *** increases the limit on the amount of aetherstone you may keep in each city.

MISCELLANEOUS BOOSTS:
Attribute *** Cap *** Explanation
Item Drop **** 20% *** increase your chance to find items when you win in combat
Morale ******* 50% *** increase your morale up to a maximum of 100

KNIGHT SKILL BUFFS === Note: I have never actually seen any of these buffs in the game.
Skill *********** Cap ********* Affect
Combat ********** 255 points - Increases cities attack and defense skills and Training Speed
Politics ******** 145 points - Increases cities Construction speed
Intelligence **** 155 points - Increases cities Research Speed
Resourcefulness * 165 points - Increases cities Resource Production