Stigma of the Wind - Season 1 Episode 18 Tokyo RPG

Ren and his friends encounter one of those "magicians" during one of their outings and are attacked by a fire-using one. Ren uses his powers to defeat the "magician," who reveals information on the whereabouts of the "game" known as Pandemonium. Ren decided to check the place suspected to be the headquarters with this information, discovering that it is in another dimension. As he prepares to leave, he is suddenly teleported inside the building. Meanwhile, Tachibana calls for Kazuma to regroup at the Kannagi's place to discuss further plans.