Feeding on the Force

Is a ability used by Darth Nihilus, some Sith Assassin`s and Darth Traya. According to darth traya this ability is something that cannot be learned or trained but by experiencing its effects firsthand. its unknown where traya and nihilus learned this ability, but nihilus seems to have brought it to the next level by being able to feed on planets. Kreia told to Exile that this ability cannot be mastered, because the ability masters the person who uses it, this ability makes the person who uses it to look constantly new planets which to feed on. Any person who uses this ability slowly consumes anybody near him as is the case with the crew of the Ravager and Colonel Tobin. For some reason nihilus wasnt able to feed on the exile