There are several ways to Defeat Harbingers:
Scarabs are a type of map fragment. They do not open portals to new areas, but are instead used to augment existing areas with various effects.
|Rusted Harbinger Scarab||Area contains 2 extra Harbingers|
|Polished Harbinger Scarab||Area contains 3 extra Harbingers|
|Gilded Harbinger Scarab||Area contains 4 extra Harbingers|
|Winged Harbinger Scarab||Area contains 7 extra Harbingers|
Defeat Harbingers is a PoE Challenge: Complete Encounters IV.
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A Sextant is a currency item that can be used on a Watchstone to add a special modifier to all the maps on the region where the Watchstone is socketed.
|MapAtlasHarbingerAndBossAdditionalCurrencyShards||3 uses remaining
Unique Bosses drop additional Currency Shards
Harbingers drop additional Currency Shards
Unique Bosses are accompanied by a mysterious Harbinger
|Name||# Bonus Objectives||Cost||Description|
|Harbinger||90||4x Chaos Orb||Area contains 2 additional Harbingers.|
Harbinger encounters have a 10% chance to spawn in a map.
Harbinger encounter: Runed Caverns node in the Azurite Mine.
|Runed Caverns||Contains a Harbinger.|