IDK but here I go.

Full dex ?

Max buffs, blast, and blind. Max repulse. 5 (or 4 and add the extra point to a root) on avian scream. 1 on shattering scream. 1 on break. 3 on single root. 2 on double root.

or

the same skill build but with restore. Take the points out of repulse.