What it does

"Allows an item to foresee the result of the next Currency item used on it." Hover a currency over the item and you see the outcome before you use it. Different tiers of an orb, such as an Exalted and a Perfect Exalted, show different results.

Limits

It can't be used on gems or on corrupted, sanctified, mirrored or unmodifiable items. It also can't preview crafting that isn't a currency item, such as revealing a desecrated modifier at the Well of Souls. It does respect omens.

Good to know

The foreseeing state stays on the item if it's traded. It first appeared in patch 0.3.0.