The Grim Reaper

The Grim Reaper himself, sent up to retrieve the dead. He has come to Earth on a different quest, he seeks to use Jace Archer's abilities to benefit himself. Shortly after The Grim Reaper befriends Jace, Masquerade comes to Earth.

Masquerade intends to teach Jace to use his powers for good. The Grim Reaper learns about Masquerade's vacation to Earth and enlists the assistance of villain Soul. Soul and The Grim Reaper worked together and Reaper told Soul the possible events that could lead to the death of Jackson Archer. Soul used this info to kill Jackson. This event does not stay permanent because of an unknown source.