Blood Rager 5 gives you Shield and Mage Armor. Together with ArchMage Armor Mythic Feat you get a whopping +18 AC.
Is there any other option for a strength-oriented unarmored character?
Instinctual Warrior (Barbarian) gives you WIS to AC. and +1 AC per 5 levels. So roughly +15 AC if you focus on WIS.
And thats it. You have to focus on other stats to get comperable AC bonus.
Or iam missing something?
Any other HIGH BAB class that has access to Mage Armor + Shield?