Riddler Trophy, Arkham Wiki

The Riddler Trophies are small '?' shaped contraptions that are scattered throughout Arkham Island, Arkham City, and Gotham City by the Riddler for Batman and Catwoman to find and retrieve. They are small, mechanical boxes made up of gears and tiny generators that presumably power the neon green question mark-shaped light bars that project out of the box. After Batman retrieves all of the Enigma Datapacks, he finds a secret room with a prototype Riddler Trophy. Which presumably showed that Batma

The Riddler (Arkhamverse), Batman Wiki

Clayface, Arkham Wiki

Endings - Batman Arkham Knight Guide - IGN

Arkham Knight, Arkham Wiki

Riddler Trophy (Arkham City): Need help with electronics. : r/maker

Batsuit, Arkham Wiki

When does the joker abduct, torture, murder, and dismember an entire kindergarten class like the wiki page says? : r/BatmanArkham

Batman: Arkham Series (Franchise) - TV Tropes

Riddler Trophy, Arkham Wiki

Riddler's Revenge, Arkham Wiki

Riddler's Informants, The Arkham Universe Wiki