Lightless Legion

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This article describes historical game content.

This passive skill was removed from the game in version 3.21.0.

Lightless Legion
Atlas notable
Abyssal Depths in your Maps have +3 to Monster Level
Abyssal Depths in your Maps have 100% increased number of Magic Monsters
Abyssal Depths in your Maps have 100% increased number of Rare Monsters
Abyssal Depths in your Maps have 30% increased Pack Size

Lightless Legion was an atlas passive skill that add +3 monster level to Abyssal Depths so that the item level also increased, with a "downside" of increased pack size and number of monsters, as well as "harder" boss fight due to monster level scaling.


Before its removal, it is located in a cluster on the right side of the tree. Awakened Depths is on the same Abyss cluster. The Votive Hoard-Abyssal Army cluster is few small nodes away.

Version history

It is originally only for running map in Tirn's End atlas region. In version 3.16.0 the passive is moved to Glennach Cairns as the atlas now has 4 regions instead of 8. From version 3.17.0 to version 3.20.X it is part of the atlas-wide passive skill tree. It is removed in version 3.21.0.

Before version 3.17.0 which remove unique watchstone, Lightless Legion can be combine with some unique watchstone mods to generate a very high area level Abyssal Depths, which in turn dropping high item level Stygian ViseStygian ViseHas 1 Abyssal Socket and other base for crafting, as well as high ilvl unique items as souvenir. ilvl only affects unique in terms of corruption implicit outcome, which does not requires very high ilvl to get all the possible mods, which is not the case for rare items.

For example, a T16 map is area level 83, a normal Abyssal Depths from that map is area level 84. With Lightless Legion it is area level 87. Unique monsters including boss, +2 to drops' item level, which would be 89. The area and item level would even higher if the unique watchstone has the mod +1 to Monster Level of Area, and multiple copies of this mod from watchstones (of different name) stacks. Note that drops from non-unique monsters also affects by the watchstones and the passive, so that they may also drop valuable (non-Abyss) base. Currently, there is no belt mod that need ilvl higher than 86, so that with the new Inspired Darkness passive, a T16 map is required to get an ilvl 86 Stygian ViseStygian ViseHas 1 Abyssal Socket, which with Lightless Legion (post-ver3.17), a T13+ map is required.

Version Changes
  • The Lightless Legion Atlas Notable Passive has been renamed to Inspired Darkness. It no longer grants Monster Level, increased number of Magic and Rare Monsters, or increased Pack Size for Abyssal Depths in your Maps. Instead, it now provides "Stygian Spires in your Maps drop Items with +1 to Item Level".
  • Now grant 100% increased number of Magic/Rare Monsters (previously 100% more Magic/Rare Monsters)[1]
  • The Atlas of Worlds has been revised, and regions have been removed. The regional Atlas Passive Trees have been replaced with one gigantic Atlas-wide Passive Tree that affects all maps you run.
  • The increased pack size has decreased to 30% (from 50%)[2]
  • Introduced to the game.[4]


  1. Community_Team (May 10, 2022). "The Atlas Passive Tree in Path of Exile: Sentinel". Official Path of Exile Forums. Retrieved April 1, 2023.
  2. Community_Team (February 2, 2022). "Full Atlas Passive Tree Reveal". Official Path of Exile Forums. Retrieved 6 May 2022.
  3. Community_Team (October 18, 2021). "Atlas Passive Trees in Path of Exile: Scourge". Official Path of Exile Forums. Retrieved May 6, 2022.
  4. Community_Team (January 10, 2021). "Atlas Passive Trees in Path of Exile: Echoes of the Atlas". Official Path of Exile Forums. Retrieved July 9, 2022.