RPGMemes

It does in fact apply to skill checks and ability checks. Nat 20 just means rolling a 20 naturally on the dice before any modifiers are added :) I think what you meant was that "critical success" only applies to combat! In this instance, the natural 20 still means it's the highest possible roll for an ability checks which gives it the highest possibility of success.

Just a daily reminder that someone can always come around and surpass in pedantry. (Sorry I couldn't resist :) No hard feelings meant)