Well, let me see my sheet...
AC:
10+
8+ (Celestial armor: +3 Chainmail)
2+ (dex)
3+ (int - bladesong ability)
3 (Misc -- house rule -- +1 AC for every 4 levels)
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26 AC total
+7 from Shield spell
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33 AC total
Quite a bit, considering that i am not using any feat or other magical item beside my armor (which is not celestial by the book, my DM made it more powerfull when rolling and using not previously created ways of articulating tables... +3 instead of +1 and =10 to move silently -- which came for my chracter being blind)...
Oh, and I have an atack roll (with a masterwork longsword) of +16/+11, for a Rogue 3rd/ Fighter 4th/ Wizard 1st/ Bladesinger 4th it is quite a lot.
I still have dodge mobity spring attack whirlwind, expertise, and some others... 15% arcane spell failure and 30 feet movement (if not using expditious retreat...)
33 AC, 30 feet (maybe 60!!), +16 to hit (or +11 with +5 to AC), spring attack, +4 to Ac against AoO, and +2d6 sneak attack when flanking... that made me quite a killer in the game...