Cloak Augmenting Stone - Elmore
Required for augmenting Legendary Elmore Cloak enchanted to +15 or higher. Double-click on the item or speak to a blacksmith to augment what you need. When used, applies a random additional effect. Once augmented, it cannot be cancelled, but it can be augmented again.
Not dropped by monsters.
Cannot be spoiled.
The chances are official (x1). On servers with x10, x100 and higher rates, drop and spoil come more often.