Some fired with the greatest intensity in response to lines at specific angles, while others fired at angled lines moving in a specific direction. (discovermagazine.com)
Like a giant puzzle, the pieces often point in a specific direction. (vetbabble.com)
Additionally, some skills don't seem to use this auto - targeting feature at all, and are fired in the specific direction in which you're pointing the analog stick. (elder-geek.com)