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Frank Rising - Collect 3 portable detection devices.

There are 3 portable detection devices; once found, they permanently reveal the locations of collectibles on the map. The devices automatically appear on your map as collectibles as soon as you enter a new area. Their locations are as follows:

Mall: Amazon Food Court, just before the north exit. You'll come across this early on as you follow the mission waypoint.
Old Town: Just south of the center of old town, near a Princess Wasp.
West Ridge: At the end of the road that leads to a dead end in the southeast corner of the map.
Collectibles unlock the only permanent abilities that carry over when you start a new game, so you'll probably want to get them all before trying Blackest Friday difficulty (your collectible progress will carry over if you start a new game). Note that there's one collectible in Central Plaza on the 2nd floor that you can only get during the intro mission.