Unusual

Unusual is a Quality that grants cosmetic items a custom particle effect. Unusual items are modified by an Ethereal Gem.

So far, only custom couriers come in Unusual quality. They are only obtainable at a 1-2% chance through opening Treasure Chests.

Random color effects
Random color effects are unusual effects that come in various colors. The only exception is Affliction of Vermin, which has no color variation. Couriers with these effects are usually found in "normal" chests containing hero-specific items.

Colors
Most unusual effects have colors that can be altered by Prismatic Gems.

Limited effects
Couriers with these unusual effects can only be found in specially designated Treasure Chests, many of which are promotional or made for events.

Click on names to view details and larger galleries.

Unique effects
Some couriers have their own unique effects, although not all have Unusual quality.

Unusuals
These unusual couriers have effects unique to themselves. They are usually promotional or limited editions.

Greevils
Upgraded Greevils have their own unique effects, depending on the essences used.

Smeevils
To do.

Non-unusuals
These couriers are not unusual quality, but still have particle effects.

Availability
Any courier listed as Unusual can be outfitted with a Prismatic gem for color and an Ethereal gem for effect.