MapBoss Ref /15
Map Boss
Endgame Maps each contain a Map Boss. These Map Bosses are Unique Monsters that have special mechanics and drop increased rewards.
Empowers the Map Boss of a Map
10 uses remaining
Map Bosses are Hunted by Azmeri Spirits
Empowers the Map Boss of a Map
10 uses remaining
Map Bosses have 1 additional Modifier
Overseer Precursor Tablet
Empowers the Map Boss of a Map
10 uses remaining
SubTree: Boss
Quantity: 12
+1 to Map Boss Difficulty
SubTree: Boss
Quantity: 2
4% increased Quantity of Waystones dropped by Map Bosses
SubTree: Boss
Quantity: 12
+1 to Map Boss Difficulty
SubTree: Boss
Quantity: 12
+1 to Map Boss Difficulty
SubTree: Boss
Map Bosses grant 50% increased Experience
SubTree: Boss
25% increased Rarity of Items dropped by Map Bosses
SubTree: Boss
15% increased Quantity of Items dropped by Map Bosses
SubTree: Boss
10% increased Quantity of Waystones dropped by Map Bosses
Powerful Map Boss
Powerful Map Bosses are Map Bosses that are even more difficult and drop even better rewards.

Powerful Map Bosses frequently drop Waystones one Tier higher.
Empowerment
Empowering a Map Boss upgrades it to a Powerful Map Boss
Precursor Towers
Precursor Towers are ancient structures that are scattered all throughout the Atlas. Precursor Tower Maps can be completed to reveal a large area around them and to obtain a Precursor Tablet.

Completing a Precursor Tower requires you to activate the Precursor Beacon at the end of the Map, after defeating the Map Boss.
Map Node
This represents a Map. A Waystone can be used to access it.

If you fail to complete the Map, it may be attempted again but will not contain additional content, Essences, Shrines, or Strongboxes. It will not be Corrupted. Precursor Tablets cannot be used on failed Maps.

To complete a Map, defeat the Boss.
Atlas passive skill Passive /16
SubTree: Boss
Quantity: 15
SubTree: Boss
Quantity: 12
+1 to Map Boss Difficulty
SubTree: Boss
Quantity: 2
4% increased Quantity of Waystones dropped by Map Bosses
SubTree: Boss
Quantity: 12
+1 to Map Boss Difficulty
SubTree: Boss
Quantity: 12
+1 to Map Boss Difficulty
SubTree: Boss
Map Bosses grant 50% increased Experience
SubTree: Boss
25% increased Rarity of Items dropped by Map Bosses
SubTree: Boss
15% increased Quantity of Items dropped by Map Bosses
SubTree: Boss
Corruption contaminates an ancient contingency
SubTree: Boss
Areas with [PowerfulMapBoss|Powerful Map Bosses] contain an additional Strongbox
SubTree: Boss
Areas with [PowerfulMapBoss|Powerful Map Bosses] contain an additional Shrine
SubTree: Boss
Non-Irradiated Areas with [PowerfulMapBoss|Powerful Map Bosses] have +1 Level
SubTree: Boss
Areas with [PowerfulMapBoss|Powerful Map Bosses] contain an additional Essence
SubTree: Boss
Areas with [PowerfulMapBoss|Powerful Map Bosses] have 30% chance to contain Corruption when entered
SubTree: Boss
10% increased Quantity of Waystones dropped by Map Bosses
SubTree: Boss
Areas with [PowerfulMapBoss|Powerful Map Bosses] contain an additional Azmeri Spirit

Community Wiki

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Map Boss

Now, you may have noticed while looking at the Atlas that some areas have these icons above them. The icon indicates the area contains some kind of special encounter.

This icon indicates the area has a powerful boss. Because only one in four maps contain a map boss, we're able to make them much more powerful and much more rewarding than they were, in Path of Exile 1.

These bosses come from the campaign, but have had the difficulty increased with changes to AI and some of their abilities.

It's worth noting that because you can see where the bosses are, you can choose to take them on or avoid them.

If you do choose to hunt bosses, though, then you'll be rewarded with special points for the boss hunting section of the Atlas skill tree.

The points here will allow you to specialize in boss killing, giving you much greater rewards for defeating them.

Wikis Content is available under CC BY-NC-SA 3.0 unless otherwise noted.