Legend of the Grim reaper

From the The mortal world of Retne, to the world of immortals. An invisible being with a special identity takes the two worlds by storm, leaving behind him a trail of blood and carnage. Who is he and What is he after? Only time can tell. Some hail him as a Hero. Some call him the Devil. Others say a Saint. But there is one point they all agree on. He's a Monster. Known as the Grim reaper. He never appears at a place without taking a live. He doesn't crave, riches or influence. what is he after? Only time can tell