Building a Wizard

I've had a wizard for a long time now, and I never decided to max it.

Now that my archer is gone, I guess I'll start maxing this wizard.

So I did a bunch of Sprite World farming to get Dex, and my wizard has a decent roll, so I maxed 1/8. Just before maxing 1/8, however, I got this picture:

Can you tell what the best part of this wizard is? (Hint: 69!)