While doing so, he comes into conflict with the Mad Hatter, who considers Black Mask his enemy due to their similar mind control abilities. The Mad Hatter and Black Mask battle, with the Mad Hatter attempting to rob Sionis of his mask, but their battle is ended when Batman intervenes. Roman Sionis is sent back to Arkham Asylum, which now has much stronger security thanks to the Talon's attack and Sionis' escape.[11]