
Various lockboxes with random loot generation guarded by various mechanisms for lockpicking.
failed lockpicks could result from safe -> activated trap
lockboxes would be designed for the various player ranks
  (newbie, mortal, hm, legend, etc.)
the lockboxes would be including with sentient creatures across the entire game with a random spawn chance.

loot could be anything from worthless old gear, to rocks, to coins and gems, to magical equipment.
trap fails could result in anything from nothing to acid destruction, to maiming, to death, anything.
