Maenad Deafening Scream( Complete Psionic, p. 55)
You can use your outburst racial trait more often.
You can use the outburst racial trait granted by your maenad heritage three times per day.
You can gain this feat multiple times. Each time you take this feat, you gain two additional daily uses of your outburst ability.
A maenad's outburst racial trait can be used once per day.