The group known as the Insiders are a group of Immortals that gain their Immortality from a special stone. They have unkown powers, such as the ability to give logevitiy to the humans they select as acolytes. In return, when the time comes the acolytes serve the Insiders by put on Thrasher suits to gain more of the special mineral that gives them this Immortality. They have ties to the mercenary Deathstroke
, but from where is still unkown. after their plan is foiled by the Outsiders
consisted of Black Lightning
, and Owlman
, they are not heard from and their whereabouts are unkown.