The White Lantern Rings first appeared at the end of the Blackest Night saga, as the rings destroyed the Black Lantern Rings controlling the still living New Earth Heroes as well as resurrecting certain heroes that were previously dead. They work just like any other rings, having the same powers. However, Sinestro and Hal Jordan are the only ones shown using the rings' powers to form constructs. Since White is a neutral color in the Electromagnetic Spectrum, it can be assumed that White can overwrite the powers of all other Power Rings if it chooses to. A prime example being Hal Jordan, whose Green Ring Power was temporarily overwritten with White Ring powers when he became a White Lantern. The white rings act as a conduit for the power of the white light of creation. As such they can proj