Rank 2 decreases the penalty by 25, and Rank 3 by 30.
For anyone working on a shield build, this is an essential and highly satisfying pick.
Rank 2 increases the Stun, while Rank 3 increases the distance enemies are pushed back.

Scream really loud, interrupt baddies, empower yourself against larger enemies with weapon attacks that deal higher stun.
But if you’re interested in big hits, maybe that doesn’t matter!
Rank 2 increases the damage to 40%, and Rank 3 keeps it going to 50%.

It definitely makes a statement!
Damage dealt to foes scales with the height of your fall, as well.
At Rank 3, Power Jump costs 0 Essence.
This works well with Shield Bash to really make the most of your defensive off-hand tool.
At Rank 2, Stamina cost decreases to 50%, and at Rank 3, 60%.
Use it to reflect boss damage back at ‘em.