on Old Wayne Tower, Karlo is accidentally doused with hundreds of gallons psychoactive mud, worsening his insanity. Dr. October attempts to cure Karlo, but the effect is only temporary, and Batwoman kills Karlo. Three days later, Dr. October cures Glory Griffin, saying she did so only for the sake of Basil Karlo. Clayface did not die, however. Seven issues later, in Detective Comics #981, readers discover that Basil Karlo is still alive and retains his Clayface powers (at least to some degree). For reasons unstated, Dr. October conspired with him to fake his death. Karlo leaves a message for Cassandra Cain and then allows Dr. October to take him out of Gotham City. In a flashback, Clayface is among the villains that protected Ingrid Karlsson during a riot. Before Ingrid was killed by an inmate using a rogue batarang despite the villains getting her away from the riot, she gave birth to Astrid Arkham, who would later become the Arkham Knight. Infinite Frontier In the pages of "Infinite Frontier", Basil Karlo, bringing Killer Croc, Firefly, Cheshire, and the New God Knockout as potential allies seeking a second chance. Then Karlo assures Selina that her Alleytown stronghold will inevitably come to a head with the Magistrate, which can be better served with formidable allies by her side. Clayface and Killer Croc attack Valley, giving Selina a chance to escape into the water, as the Magistrate Croc Tell Basil to retreat and before that Valley blows Clayface up with a grenade. Matt Hagen The second version of Clayface, Matthew "Matt" Hagen, first appeared in Detective Comics #298. A treasure hunter, Hagen finds a mysterious radioactive pool of protoplasm in a cave. Immersing himself in it by accident, he is transformed into a malleable clay-like form which could be shaped into almost anything he desires. This is only a temporary effect, however, requiring him to return to the pool periodically to maintain use of his powers. His criminal activities attracted the attention of Batman and Robin. Batman discovered his weakness and defeated him. Matt Hagen later escaped from prison and decided to investigate the protoplasmic substance that turned him into Clayface so that he can find a way to prolong his powers. Clayface posed as wealthy civilians of Gotham to learn more about his criminal activities. Batman and Robin later confronted Clayface at his hideout where they used a combination of a freeze