You can really boost you luck, problem is that you have when you boost your luck you can not remove that luck suit or your luck returns to what you had before.

I give you an example: I have built a 1250 luck suit on my gm fisherman, why? I have no idea, just thought it would be fun.

anyway, I have just got one of these sculptures, figure what the heck, I will throw my 1250 luck suit on my paladin, use the sculpture, then switch back to my virtue armor suit. usually run around 500 luck on him. anyway put the luck suit on, hit the sculpture boosted from 1250 to 1900 (so I think the 650 is right on). Now I like hell yes going to go to doom. Switch out suits and my luck fell back to around 500. So unless you are a tamer or archer/bard these are not that handy. Though I do boost my regular suit to around 1000 now and I can see a difference in the loot.

as if anyone on Lake Superior wants one, I have gotten 3 for the last 3 drops in the anti-virtue dungeons. Reasonable priced.