1. Collect Simulacrum Splinters
Accessing the Simulacrum demands gathering 300 Simulacrum Splinters, which drop exclusively from Delirium encounters on the Atlas. To farm these efficiently, prioritize maps with high monster density and Delirium influence, such as Burial Chambers or Strand. Using Distilled Emotions can boost Delirium effects and increase splinter drops, accelerating your progress. Alternatively, you can trade or purchase splinters or complete Simulacrums from the in-game market to skip the grind.2. Optimize Your Build for Area Damage and Survivability
The Simulacrum features overwhelming waves of enemies with escalating difficulty, so your build must excel at clearing large groups quickly while sustaining through heavy damage. High evasion rating is particularly effective, as it allows you to dodge attacks outright, which is crucial given the volume of foes. Life regeneration, leech mechanics, and defensive layers like energy shield or armor can complement evasion. Area-of-effect skills such as Elementalist or Deadeye setups shine here, enabling rapid clears.3. Prepare Your Gear and Flasks
Equip gear that boosts your survivability and damage output. Life and resistances are essential, while flasks that remove ailments (bleed, freeze, curses) help maintain uptime. Carry Omens of Resurgence—items that restore life and energy shield when activated—to sustain yourself during intense waves and boss fights. Remember to activate them manually when needed.4. Master Mobility and Positioning
Simulacrum arenas vary from wide-open spaces to confined areas, often crowded with enemies. Mobility skills like Flame Dash or Dash are vital for repositioning and avoiding deadly boss attacks. Staying mobile helps you manage crowd control and dodge abilities from bosses like Kosis, whose icy attacks can restrict movement, and Omniphobia, whose heavy hits require careful timing to evade.5. Learn Boss Mechanics and Prioritize Targets
Two bosses, Kosis, the Revelation, and Omniphobia, Fear Manifest, appear randomly during the waves and sometimes simultaneously. When both are present, prioritize killing Kosis first to reduce battlefield control issues caused by his attacks. Understanding their attack patterns and maintaining distance when necessary is key to survival.6. Manage Inventory and Resources Between Waves
Between waves, you have access to a stash to manage loot and refill flasks. Use this time wisely to clear inventory space and prepare for the next wave. Avoid leaving valuable items on the ground, as loot disappears when the next wave starts.7. Increase Difficulty Thoughtfully
You can boost Simulacrum difficulty and rewards by investing Atlas passive points into Simulacrum Difficulty nodes. Higher difficulty increases monster toughness and damage but reduces available respawns, so balance your challenge level with your build’s capability.8. Practice Patience and Adaptation
Simulacrum is designed to be punishing, and early failures are common. Use each attempt to learn enemy behaviors, refine positioning, and adjust your build or gear accordingly. Persistence and adaptation are essential to mastering the encounter.Preparing for the Simulacrum involves farming splinters efficiently, optimizing your build for area damage and survivability, mastering mobility and boss mechanics, and managing resources carefully. With the right preparation and strategy, you can conquer this grueling gauntlet and reap its rich rewards, marking a significant milestone in your Path of Exile 2 journey.