Ad Hominem (3.5e Maneuver)

With an insightfully cutting remark, you convince the orcs that their leader is actually a wimp, and so has no place in a discussion of military tactics.

Unless the target creature succeeds on a Will save, all creatures who hear you speak this maneuver become immune to the target's Diplomacy, Intimidate, and Bluff checks, as well as any Morale bonuses or penalties that target provides.