Talk:The Spire of Crystalline Ambition/@comment-12.25.146.138-20130613200524/@comment-1321146-20130613203805

There are no other rooms unless they are referring to the infinite corridor.

It's possible that the red room works like the SR card chance: You either go away with nothing, or you go away with a valuable drop (a bunch of crystals), but the odds are simply low, so you will see a lot of empty rooms.