Star Wars: A Flicker of Hope
You come from a clan that has produced many Jedi, and you have overcome your species’ impulsiveness by becoming a master of the Force.
Prerequisites: Twi’lek species, Force Sensitivity.
Benefit: Your Wisdom is considered to be 4 points higher for the purpose of determining how many Force Powers you gain from the Force Training feat, granting you two extra Force powers for each Force Training feat.
Source: Rebellion Era Campaign Guide, p. 34.