Diplomacy
With suff icient ranks in Diplomacy, you earn the following.
5 Ranks: The time required to inf luence a creature’s
attitude or gather information is halved.
10 Ranks: You can attempt to adjust a creature’s attitude
in 1 round by taking a –10 penalty. If you take 1 minute to
adjust a creature’s attitude, add your Charisma bonus to the
number of hours that attitude change persists.

Stealth
With suff icient ranks in Stealth, you earn the following.
5 Ranks: Reduce the Stealth penalty from sniping by 10.
10 Ranks: Stealth check penalties for moving quickly are
halved, including the ability unlocked at 5 ranks, moving full
speed, and reaching concealment after creating a distraction.