(This is a display case for Kaliga's weapon collection.)
(You see a rare, beautiful greatsword in the display case.)
(Open the case and take a closer look?)

(The display case is tightly locked.)
(Open it with Kaliga's key.)
(The display case is tightly locked.)
(Open it with the key from Kaliga.)
(The display case is tightly locked.)
(Find out if Kaliga has the key.)
(The display case opened!)
(Take out the greatsword and put it in your cube.)