Monster Episode 12 English Dubbed Episode Title:Modest Experiment.Episode Description:Tenma learns that the orphans in 511 Kinderheim were part of a project to produce perfect soldiers through psychological reconstruction. However, during a power struggle, the fifty instructors and orphans were killed. Hartmann takes Dieter back from the Hospital, and when Tenma visits Hartmann's apartment he realizes that that Hartmann was at 511 Kinderheim and is now trying to reshape Dieter to be similar to Johan. At the ruins of the orphanage, Hartmann explains to Tenma that the battle was triggered by Johan and that General Wolf is the key to Johan's origins. Much to Hartmann's surprise, Dieter decides reject him and leaves with Tenma.