1. Lagon, the Eldritch God  
   Lagon is widely regarded as the toughest boss in the campaign and a major difficulty spike for many players. Located on Lagon’s Isle, this boss features devastating attacks that can one-shot unprepared characters. His fight demands patience, precise dodging, and tactical play Last Epoch Gold, especially as he can heal from fountains during the battle. Many players consider Lagon a brutal test of endurance and skill, often requiring high-level gear and mastery of movement abilities to survive.

2. Chronomancer Julra  
   Julra is a dungeon boss found in the Temporal Sanctum and is considered the hardest dungeon boss in Last Epoch. The fight is notorious for its long approach and complex mechanics, including powerful damage types and healing abilities. Julra’s abilities require players to carefully manage positioning and timing, making it a demanding encounter that tests both build strength and player skill. Due to the valuable unique items she drops, many players seek help or practice extensively to defeat her.

3. Emperor’s Remains  
   This boss is part of the endgame Monolith of Fate content and is known for its high damage and complex attack patterns. Players face it after navigating challenging timelines, and it requires strong survivability and damage output. The Emperor’s Remains fight is a significant hurdle for many players progressing through the Monolith system.

4. Architect Liath  
   Architect Liath is another endgame boss known for its punishing mechanics and high burst damage. It appears in advanced timelines and tests players’ ability to handle multiple attack phases and avoid deadly abilities. Defeating Liath often requires optimized builds and careful strategy.

5. Orobyss (at High Corruption Levels)  
   Orobyss is a special boss echo in the Monolith of Fate that becomes extremely challenging at high corruption levels (e.g., 600 corruption). At these levels, Orobyss gains powerful one-shot abilities and high damage output, making it one of the hardest bosses in the game. Players consider Orobyss a “mini-Shaper” due to its difficulty and importance in endgame progression.

In summary,the hardest bosses in Last Epoch combine high damage, complex mechanics, and endurance challenges. Lagon and Chronomancer Julra stand out as the most notorious for their brutal fights and player frustration. Endgame bosses like Emperor’s Remains buy Last Epoch Gold, Architect Liath, and high-corruption Orobyss further test players’ builds and skills, making them key milestones in the game’s toughest content.