Legacy pays homage to the leagues and items of the past. Do you want to experience the heart-stopping surprise encounters of Invasion, risk valuable items for even more valuable rewards in Talisman, or acquire powerful crafting items in Essence? In the Legacy league, you can choose your own challenges, and even mix and match them.Description on the official Path of Exile website 
The Legacy league and Hardcore Legacy league launched on March 3, 2017 along with the release of version 2.6.0, and ended on July 31, 2017, along with the launch of the The Fall of Oriath expansion. Previously, it was scheduled to end on May 29, but was extended several times.
In the Legacy leagues, enemies dropped Leaguestones that could be equipped to experience one of 17 previous leagues in the next zone. Up to three Leaguestones could be equipped at a time, and Leaguestones could also have magic modifiers that altered the way the leagues are encountered. Not only was it possible to obtain league-specific items this way, the Legacy leagues offered a chance to obtain a Relic unique item, a special version of unique items with its original legacy item stats. They could be randomly obtained in an Ancient Reliquary by using an Ancient Reliquary KeyAncient Reliquary KeyWhispered memory,
A shimmer in the darkness.
Forgotten no more.Travel to the Ancient Reliquary by using this item in a personal Map Device. Can only be used once. in a map device.
All characters and stashes were moved to Standard league and Hardcore league respectively when the leagues end. Characters that died in the Hardcore Legacy league were immediately moved to the permanent Standard league.
Challenges and Rewards
|12||Legacy Footprints EffectLegacy Footprints EffectFootprintsAdds legacy footprints to any equipped pair of boots.|
|19||Legacy Challenger TrophyLegacy Challenger TrophyHideout ItemCreates an object in your hideout8 VariationsFavour cost: 0|
|22||Legacy Challenger TrophyLegacy Challenger TrophyHideout ItemCreates an object in your hideout8 VariationsFavour cost: 0|
|24||Legacy Weapon EffectLegacy Weapon EffectWeapon Effect|
Stack Size: 20Adds the Legacy effect to any equipped weapon.
|25||Legacy Challenger TrophyLegacy Challenger TrophyHideout ItemCreates an object in your hideout8 VariationsFavour cost: 0|
|36||Legacy Portal EffectLegacy Portal EffectPortalThis character's portals use the Legacy effect.|
- Chris (February 16, 2017). "The Legacy Challenge League". Official Path of Exile Website. Retrieved February 16, 2017.
- "The Legacy Extension". Official Path of Exile Website. Retrieved May 15, 2017.
- "The Fall of Oriath: Yugul, Reflection of Terror". Official Path of Exile Website. Retrieved July 5, 2017.
- Natalia_GGG (Jul 21, 2017). "TA Huge Selection of Blue and Lightning Effects On Sale This Weekend!". Official Path of Exile Website. Retrieved July 23, 2017.