Shield Wall + Res all proc and psy armor

[TerrorZona520]

The IO will not slot into the defense power precognition

[Hedgefund2]

I happen to be grinding a /psi stalker.  I've been using only SOs but wanted to see this for myself so I tried and was able to slot this particular piece.

 

 

 

[Captain Fabulous]

Are you level 10 or higher, and do you already have one slotted (you can only slot 1)?