Serpent's TongueBluff Utility 2
Your lie twists in your foe's mind like a snake, allowing you to hide the venom behind your next words.
Encounter
Free Action Personal
Trigger: You fail a Bluff check against a creature
Effect: You gain a +5 power bonus to the next Bluff, Diplomacy, or Intimidate check you make against that creature before the end of your next turn.
Published in Dragon Magazine 389.