Star Wars: A Flicker of Hope
Grand Army of the Republic Training
You have received basic training from the Grand Army of the Republic and know how to turn even bulky armor into an asset.
Prerequisite: Armor Proficiency (light)
Benefit: If you wear armor that provides an equipment bonus to your Fortitude Defense, and you are proficient with that armor, you also apply the armor’s equipment bonus to your Will Defense.
Source: The Clone Wars Campaign Guide, p. 31.