I Need help improving this build.

I've been running this Hex-totem cleansing, self healing build for a while now, but I think it could use some improvements, because 2 perks to find hexes are overkill. Which of the 2 perks should I replace and what should I replace it with?

I've been running this Hex-totem cleansing, self healing build for a while now, but I think it could use some improvements, because 2 perks to find hexes are overkill. Which of the 2 perks should I replace and what should I replace it with?