Quote Originally Posted by Cieyrin View Post
Better make that 7th, y'need Death Ward and Divine Power for when the hordes inevitably close on you. I don't think you can expect to spam Turn Undead fast enough to keep a safe zone around you with that large a horde.
There's also Deathward. Need some shenanigans to make it last all day, but there you have it.

Alternately, go to the BoED, for Nimbus of Light and the other aura feat. You're now damaging the wights just by being near them.