We could keep Iron Will and replace Sidestep Charge. It would get much more mileage out of Divine Might.
What about swapping Power Attack for Improved Natural Attack? The Opinicus gets a +8 to hit, but I would think they wouldn't want to sacrifice many of those points for extra damage.
Then again, Improved Natural Attack would only bump it up to 1d4 for the claw attacks.
Let's do that voodoo that Cleon do... make claw damage 1d4.
Do we want to consider any racial feats? Like Ability Focus on Sun Sparkles.