Online play item.
Invade other worlds at will.
Defeat the Host of Embers of the world you have invaded to gain the strength of the fire.
The Red Eye Orb is rooted in a tiny land swallowed by darkness long ago. Some choose to put the orb to other uses. To embark on this path, enter the service of Rosaria in the Cathedral of the Deep.
Used to invade others
Dropped from the Darkwraith in High Wall of Lothric. Use the Lift Chamber Key given by Ringfinger Leonhard to open a locked passage below the Tower on the Wall bonfire, and ride down the elevator to find the Darkwraith.