... in the game
Talk to Myles, and he will tell you about jobs. Join up with him, do a "job", then dismiss him. Go talk to him again, and he will tell you about the next job. One of these jobs explains the diamond (which you can turn in for the reward or sell to vendors).Anyone can wear a cloak, some are class specific. It goes in the spot that lights up (in green) when you grab it (in teh inventory screen, just like the head area lights up when you grab a helmet that your character can wear).
There are 4 endings: one where you don't disarm the bomb, the other three are similar to each other. And having Vi with you at the end does through a slight twist on things ... but hardly a "different" ending ... though all of the other RPCs ascend with you ... she will not.
Tools for Wizardry(r) 7