Talk:Item Discovery/@comment-31615289-20180206145942

I think I know how this works. "Luck", as this is known, only affects the weight of the item which is undesirable - normally the empty slot. Based on its relationship with similar values - such as MagAdjust - I believe it is a divisor. When you have 410 item discovery, the weight of a failed drop is divided by 4.1, which is difficult to mathematically model.

so if you had an item with a 20% chance to drop and an 80% empty slot that was affected by Luck, the weight would become 20:19.5 or a little more than 50/50.