The Death City Robot is a robot and Demon Tool created by Joe Buttataki and used by Death to fight against Arachnophobia and allow him to bypass his limitation of being unable to participate in battles outside Death City.
The Death City Robot is a powerful demon tool, with the combine might of many other Demon Tools. Death used this creation, in which is solely rooted to his soul, in order to participate in the Battle with Arachnopobia.
"BREW" ("BREW", Buryū): A major component of the Death City Robot that allow it to be animated. Although it was stated that it was possible to doing so without "BREW", there was no guarantee that it would work without this Demon Tool.
Death's Gloves: The Death City Robot possess larger versions of Death's Gloves, enabling it for offensive maneuvers, grabs, and even special techniques. Additionally, each finger possess an array of smaller arms and hands to grab smaller targets. It is strong enough to hold Asura long enough to be devoured into the Death Room.
Whatever damage done to the robot is felt by the pilot while hes in on the controls from the electrical feedback given due to damage.