Aestolia said:
Well for AC, using only the base 3 books (limiting all the new special materials out there)
+5 Mithral Full Plate (13 Armour Bonus)
+5 Mithral Tower Shield (9 Shield Bonus)
+3 Dex bonus (max allowed by mithral Full plate)
other armour combinations using Mithral only allow for a max of 10 AC in a dex / armour combination , full plate allows for an 11 (8 armour, 3 dex)
Amulet of Natural Armour +5 (5 Natural armour)
Ring of Deflection +5 (5 Deflection bonus)
This puts the person at: 10 + 3Dex + 13A + 9S + 5N +5Def = 45 AC
This is NOT counting:
Feats of any sort (Dodge, Mobility, Improved Shield Use etc)
In combat situations (Calling total defense)
Dusty Rose Ioun Stones
Dodge Bonuses (such as Dodge, Combat Expertiese) stack.
Insight Bonuses (suce ash Ioun Stones) stack.
Luck Bonuses (Some feats / spells, class features) stack.
Armour, Shield, Natural, and Deflection bonuses do not stack, unless otherwise specified.
Given that Ioun stones do not take up an item slot, and there's no listed maximum... there's nothing preventing you from saying - I have 10 dusty rose Ioun stones, adding another 10 AC.
Before stackable bonuses and feats; 45 is the Number I'm offering up
~Aestolia Silverfalls
I actually think the highest possible AC comes from the Monk.
As long as his wisdom is over 20, the combination of the unarmored AC bonus from wisdom stacked with bracers of armor +8 is better than full plate.
With core only and assuming maxed stats:
Halfling Monk 20 with Monk's belt (effective 24th level)
Dex 18 (base) +2 (race) +6 (enhancement) +5 (inherent) +1 (level) = 32
Wis 18 (base) +6 (enhancement) +5 (inherent) +4 level) = 34
AC = 10 (base) +8 (armor: bracers of armor) + 11 (dex) + 12 (wis) +5 (monk) +5 (natural armor) +10 (defense - two +5 kamas of defense or some other monk weapon) +1 (size) = 62
This doesn't include feats or any other special items and isn't even really all that tweaked. I had a 20th level character with an AC near 90 without using combat expertise.
Similarly I was able to get my attack bonuses with that same character to well over 100 including the die roll. Granted with both of these values, I was using non-core. However, even core should be able to get MASSIVE to hit bonuses and what's sick is that the wizard will actually get the best to hit values:
Use limited wish for divine might to equilibrate BAB with a fighter, use polymorph (or shapechange) to transform into the strongest creature possible, take a 1 level dip into barbarian for rage and get a +6 enhancement item made for whatever creature you will transform into. After all that then use righteous might. At 20th level you'll have:
20 (BAB) +5 (weapon enhancement) +6 (luck from divine favor easy enough to get one way or another) + (I'll say a 40 strength creature should be reasonable enough to find at 20th level, so +20 from str including enhancement and rage) +4 (morale from heroism) and +20 (insight from quickened true strikes) = +75 to hit This is just core!