Not sure how you missed out on 10 AA.
Anyway, the deal was, at every 5 levels, they increase the unspent AA bank by 5, so at 66, the cap is 70, at 70, it is still 70. Then at 71, the cap goes to 75.
Tat
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Tatanka Wolfdancer, 106 Wood Elf Druid, 7 x 300+ Master Artisan, 7 maxed trophies :)
Anaceup Mysleeves, 105 Erudite Mage, 2 x 300 Master Artisan
Snookims Whinslow, 105 Erudite Enchanter, 2 x 300 Master Artisan
<Inisfree>, Tunare (Seventh Hammer!)
Tatankaa (95 Inquis)/Urkell (38 Conj)/ Seanthornton (24 Pally), <Inisfree> Freeport server (some other server now)