The Locked Door is an object in Bomberman Blast.
Description[]
They are doors found in specific stages that can only be unlocked by using the Key, which is available only in the second playthrough. The doors protect the alternative exits, giving access to new areas. There are 11 locked doors in total.
Note: The locations that contain a locked door is displayed on the select stage menu, represented by a lock icon [ 
] next to the stage.