User blog comment:Emptylord/Archived/PBE Patch Notes (Preseason 3)/@comment-80.220.187.250-20121129221532/@comment-5764133-20121130141609

No yo can't stack 2 uniques with the same name. You can stack tough with tenacious mastery Tanacity items and the Ionian fervor.Calculatina a 5 second CC

Starting    100%        5

Tenacious 15%       *0.85

Tenacity    35%      *0.65

I. Fervor     40%      * 0.60

Total       33,15%    1,6575 seconds

Yeah fearsome she can be almost inmune to CC in teamfights.