Your arcane talents lend you a great deal of allure.
Prerequisites: Draconic Heritage, sorcerer level 1st.
Benefit: After you cast an arcane spell, you gain a bonus equal to 1½ times the spell’s level on your next Bluff, Intimidate, or Perform check. The check must be made before the end of the next round.
Source: Races of the Dragon, page 104.