Infiltrating the Hall of Doom (Investigations)

Infiltrating the Hall of Doom is a collection of Investigations that can be found scattered across various areas of the Hall of Doom. There are 6 parts that comprise this set.

Synopsis
''This opportunity to explore the depths of the Hall of Doom may never return. Within these villainous coreridors lie numerous secrets - obtaining them for the League would grant you a great deal of favor with Earth's mightiest heroes.''

Mail Messages
Upon completion of this collection players receive a message from Martian Manhunter, accessible from any Mail Terminal.

Item
This collection rewards the player with the Swampwalker's Cloak back item (style: New Genesis.

Trivia

 * The items of this investigation for heroes are named the same as the items in the villain-only collection The Hall of Doom.