A demon summoned by Mephisto in order to contain Rin Okumura, it is a stationary metal box with entrances on both sides. The door can open for a large metal claw to grab the target of the Gefängnis.
Powers and Abilities
Time Stop: Das Stärkste Gefängnis can freeze time for those who approach it with ill intent.
Imprisonment: Das Stärkste Gefängnis is able to pull a target inside of itself, trapping the target. Das Stärkste Gefängnis can easily be opened from the outside, but it’s impossible to open from the inside. Inside its body is a pocket dimension which contains a field of broken gears and debris that is larger than its outer dimensions. The only known way to escape from the inside is by overwhelming Das Stärkste Gefängnis with the Blue Flames of Satan.