are those streamstones still doing simply tempered hunts?You need the best streamstones for T12 gear, and you can only augment gear once to raise the upgrade limit. But you can augment any gear and raise the armor considerably.
You'll also be able to swap some of the Tigrex gear for stronger Brute Tigrex gear and keep the free meal bonus.
And nice, did not know! Brute tigrex appears on guiding lands?
btw i think you have the Infinite wisdom glaive, i thought it had purple sharpness, but its really only white