Disregard, i forgot about the patron arc you have to do to get acin pool.
Haven't played a villian in a long time.. 
Solving it yourself is no fun for the rest of us
the nerve of some people 
Doc Mech-Nec (Exalted): 50 Bots/FF MM
Crey Radiation Tank (Exalted): 50 Rad/Rad Corr
Servers: Exalted, Triumph, Champion
Alts: 32
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Yea now i feel like an idiot for making this post. 
At lvl 40 i'm playing my brute doing AE missions.
After a couple runs i lvl twice. So i head to the arbiter and so i look to choose my lvl 41 power. I want to choose an ancillary pool power but the button or whatever to click to get to the ancil power screen doesn't show up...