Quote Originally Posted by Jeff240sx View Post
Sorry.. Guess I didn't mention.

Level 10 characters and level 10 NPCs, I give random NPCs 1 rank for every level they have.

The houserule we roll with is a natural 20 is treated as a 25, as opposed to an auto-success a 20. Precisely because we don't think a Commoner should hear the God of Stealth on a natural 20, yet we still wanted to show a 'perfect' skillcheck for PC/npcs
This has lasted through 3 DMs, and about 5 years of play.

Guess I should have clarified.
Fixed it for you.