Orb

Orb may refer to:

Mechanics

 * Orb Effects, the previous name for Unique Attack Modifiers.

Items

 * Orb of Venom, an Item that adds Damage Over Time to a Hero's attacks.
 * Ultimate Orb, an Item that gives a Hero +10 of every Attribute.
 * Refresher Orb, an Item that resets all Cooldowns when used.