 Throughout the "Blackest Night" event, each time a Black Lantern successfully removes the heart of one of their victims, a black, lantern-shaped speech balloon (used within "Green Lantern" and "Green Lantern Corps" to indicate that a power ring is speaking) depicts an ever-rising power level increasing in increments of 0.1 percent.In "Blackest Night" #4, the power meter is filled and Scar is able to transport the Black Central Power Battery to Coast City, and the true mastermind behind the Black Lanterns is able to step into the main DC Universe