Ancient Orb is one of the major kinds of PoE currency. It's like a wildcard that can turn a unique item into another item of the same class. When you use Ancient Orb, it is like you are gambling in a mystic casino where you might end up with better item or not, it all depends on luck!

What is the function of Ancient orb in Path of Exile?

• Similar Item Class: A unique item will convert to a different unique item having the same class when using Ancient Orb. E.g Another unique ring.
• Original Size: The size and socket arrangement in the initial item remains as they were.
• League Restriction: In certain cases, some league specific items can only be gotten by using an Ancient Orb in a Zana-modded map containing that specific league.
• Rarity Of Unique Items: The chance for getting any unique item depends on its rarity tier.

Ancient Orb Farming Methods

• Harbinger's Bounty: Normally these orbs drop from Harbingers. Go to these beings if you want any information about Ancient shard.
• Shard Assembly: 20 Ancient Shards will create one full ancient orb automatically.
• Zana's Maps: If you use Zana's Harbinger mod, there will be higher probability of meeting Harbingers while running maps.

How to Use Ancient Orb Like A Pro?

• A Roulette of Uniques: By applying an Ancient Orb to any non-corrupted and non-unique item, you stand a chance to change it into another unique item falling under the same category.
• Smart Selection: Therefore, focus on high-value classes of items where transformation upside could be significant.
• League-Specific Strategy: Use them in Zana-modded maps for chances at league-specific uniques

Ancient Orb Recipes 

• Basic Conversion: 20 Ancient Shards = 1 Ancient Orb.
• The Harbinger's Gift: There is a possibility that The Foreboding Incubator might drop a random Harbinger item which could be an Ancient Orb.
• Vendor Recipes:
  
  • 4 Ancient Orbs = 1 Orb of Scouring.
  • 5× Emperor's Luck = Random 5 currency items (including a chance at Ancient Orb).

Ancient Orb introduces you to the unpredictable and exciting realm of unique item transformation. In your journey through PoE, regardless of whether you are after an expensive unique or simply just love change, these orbs add a fascinating new range to the game. Remember, every use of an Ancient Orb is like going on an adventure!