Oh, and I would make one more suggestion.

CHANGE/NERF/BUFF - I would NERF Primal Rend by increasing cooldown to 20 seconds, but BUFF stun duration to 3 seconds.

Increasing the cooldown on primal Rend reduces the number of stuns a warrior can inflict per match, which I would argue is good for the game as a whole because it reduces CC in the game a little bit.

The 1 second Increase to stun is mostly a quality of life adjustment which doesn't affect team play as much as its helpful in occasional 1v1 or 1v2 situations where it can allow the warrior to mitigate a bit more damage by interrupting incoming attacks.