Dungeon Keys in Last Epoch are essential single-use items required to access the game’s challenging dungeons, such as Lightless Arbor, Soulfire Bastion, and Temporal Sanctum. These keys are consumed upon entry, and if a player dies inside a dungeon, the attempt fails and they must obtain another key to try again. Due to their importance and limited availability Last Epoch Gold, knowing how to efficiently farm Dungeon Keys is crucial for progression and acquiring high-tier loot.Here is how to Obtain Dungeon Keys:

1. Killing Timeline Bosses in the Monolith of Fate  
The most reliable and recommended way to farm Dungeon Keys is by defeating bosses in the Monolith of Fate timelines. These bosses have a relatively high chance of dropping Dungeon Keys, and this drop rate improves with higher Item Rarity levels. At sufficiently high Item Rarity, bosses may drop multiple keys at once. Since Timeline bosses are also a source of valuable loot and stability, farming them efficiently combines progression and key acquisition.

2. Opening Golden Loot Boxes 
Golden Loot Boxes scattered throughout the game world and awarded after completing missions or dungeons have a chance to contain Dungeon Keys. While the drop is random and not guaranteed, opening as many Golden Loot Boxes as possible increases the odds of obtaining keys. These boxes are often marked on the map when nearby, making them easier to locate.

3. Defeating High-Level Enemies and Rare Bosses  
Dungeon Keys can also drop from high-level monsters and rare enemies encountered in the later stages of the game, especially after reaching level 54. Although the drop chance is lower compared to Timeline bosses, this method provides an alternative source of keys during exploration and combat.

4. Completing the Arena of Champions  
The Arena of Champions offers challenging combat encounters with the possibility of Dungeon Key rewards. However, these challenges require Arena Keys to enter, which are themselves rare. The Arena’s loot pool is more limited, and the chance of Dungeon Keys dropping here is lower than in the Monolith, making it a less consistent farming method.

5. Special Case: Lightless Arbor Keys  
Uniquely, Lightless Arbor Keys can drop from the Vaults of Uncertain Fate at the end of the Lightless Arbor dungeon. This allows players to theoretically chain runs of Lightless Arbor indefinitely by farming its own keys. Additionally, some players use vault mechanics to duplicate these keys, although this requires in-game gold and specific strategies.

Tips for Efficient Farming
1. Focus on running Monolith timelines quickly and efficiently to maximize boss kills and key drops.  
2. Increase your Item Rarity stat to improve the chances of multiple key drops buy Last Epoch Gold.  
3. Use Weaver Tree passive nodes that boost Dungeon Key drop rates for faster farming.  
4. Prioritize farming in higher-tier timelines where rewards and key drop chances are better.  
5. Open every Golden Loot Box you find to supplement your key supply.