Contrarian urge forces its target to do the opposite of its general intent for a few seconds. A brief but uncontrollable urge dominates the thoughts of the subject, who will act on that urge to the best of its ability during its next turn.
When manifested during combat, contrarian urge almost always convinces its subject to attack an ally rather than a foe. In a social situation, it usually means the subject says something inappropriate or insulting (imposing a -10 penalty on any Diplomacy or Bluff check being made). The subject comes to its senses at the end of its turn and can act normally thereafter.
For every 3 additional power points you spend, this power's save DC increases by 1, and the power can affect an additional target. Any additional target cannot be more than 15 feet from another target of the power.