For the person who was looking to raise his AC with the Human 10-Pally/4-Fighter build with 16 Dex. I think you had like a 40 standing ac and you were looking for away to make it higher... This is what you would need to do to max his AC with the given items in the game. I posted this yesterday, but it was deleted with the forumns cleanup.
Req: 16 Dex, Enhancments and Equipment
10=Base AC
3=Dexterity Bonus(+3 Dex Mod)
13=Armor Bonus(+5 Mith FP)
9=Shield Bonus(+5 Mith Tower Shield)
3=Natural Armor Bonus(Seal of Earth +3 NAB:Queen Raid) or Barkskin Potion +3 NAB
5=Deflection Bonus(+5 Protection ring/Necklace)
5=Dodge Bonus(Chattering Ring +3 dodge:Titan Raid and Chaosguarde Bracers +2 dodge: Xoriant Cypher)
0=Size Bonus(Human)
3=Miscelaneous bonus(Base Paladin Aura +1ac and Paladin's bullwarks II for +2ac)
(Total Base AC=51)
18 DEX Req
+1 AC From Fighters Armor Mastery I
(Total Base AC=52)
20 DEX Req
+1 AC from Fighters Armor Mastery II and from Fighters Tower Shield Mastery I
(Total Base AC=53)
Other Buffs/Enhacments/Feats add-on's
+1=Dodge Feat(Reg 13 Dex Base:Tomes count)
+2=Rangers Barksin(only get +2 out of the 5 because of Seal of Earth)
+1=Lvl 14 Paladin with Bulwarks III: +1 AC
+1=Halflings Heroe's Comanion IV(20 sec buff) +1 AC
+5=Paladin's AC boost IV
+1=Haste(Potion or Spell)
+2=Recitation(Spell cleric)
+5=Combat Expertise Feat(Req 13 Base INT:Tomes count, activated)
+2=Defensive Fighting(Can't be used when Combat Expertise is active)
+2=Blocking(While actively blocking)
+1=Weapon with "of parrying" suffix
Hope this helps ya....
Cash