Vaal OrbStack Size: 20Corrupts an item, modifying it unpredictablyRight click this item then left click an item to corrupt it. Corrupted items cannot be modified again. Shift click to unstack.
Acquisition Drop level: 35 Can also be obtained as a possible reward in the Trial of Chaos.Metadata Item class: Currency Item
Vaal Orb is a currency item that corrupts an item, modifying it unpredictably and preventing it from being further modified.
Vaal Orbs always entail a risk: they can greatly improve an item but they can also change it for the worse. Only one of the effects listed for each type of item below may happen.
Equipment
No change (other than adding the Corrupted property).
Reroll up to half of the item's explicit modifiers if it's a non-unique item.
Add a special Vaal enchantment to the item, highlighted in red.
No effect (other than adding the corrupted property).
Add or subtract one level. Max level gems can exceed their normal maximum this way. A corrupted gem at the normal maximum will not continue to gain experience.[confirmation needed]
Add or subtract ?% quality.[confirmation needed]
Add a socket.[confirmation needed]
Item acquisition
Vaal Orb can drop anywhere.
Can also be obtained as a possible reward in the Trial of Chaos.