The Simulacrum in Path of Exile 2 is a unique and challenging endgame encounter tied to the Delirium mechanic, offering players a series of up to 15 waves of enemies with escalating difficulty. Each wave introduces stronger monsters with increased life, damage, modifiers, and occasionally bosses that test a player's build and skill. Success in the Simulacrum rewards valuable loot and currency, but players must carefully balance risk versus reward when choosing the difficulty tier.
Difficulty tiers in Simulacrum are unlocked by collecting and using Simulacrum Splinters, which come from Delirium encounters on maps. Progressing through difficulty tiers increases monster health, damage, and the intensity of "Delirious Effect," which enhances monster toughness and adds dangerous affixes. At the same time, higher difficulty reduces the number of resurrection attempts available to the player per run, increasing the stakes.
Lower difficulty Simulacrum runs provide a safer environment to practice and gradually build gear but offer comparatively modest rewards. As players climb the difficulty ladder, the risk grows dramatically. Enemies are harder to kill and hit harder themselves, making any mistake potentially fatal. Boss enemies like Kosis and others appear more frequently and with tougher mechanics at high tiers, further challenging viability.
On the other hand, the rewards scale significantly with difficulty. Higher tiers yield more powerful drops, including exclusive uniques, higher quantities of special crafting currency such as Distilled Emotions, and increased experience and item levels. Clearing the more difficult Simulacrum waves allows players to gather rare items critical for crafting the best gear and progressing in the endgame.
Players must therefore assess their build’s survivability, damage output, and ability to sustain through wave after wave versus the lure of richer rewards higher up the ladder. Many adopt a conservative approach, slowly upgrading gear and experience before attempting high-tier Simulacrum. Others who stack strong defensive mechanics, evasion, and crowd control skills may aim for the maximum difficulty to maximize their loot gains.
Balancing risk versus reward in the Simulacrum comes down to understanding your build’s limits, managing your resurrection chances wisely, and pushing as far as your skill and gear allow. This tension creates one of the most intense and rewarding challenges in Path of Exile 2’s endgame content, rewarding preparation, adaptability, and precision with some of the best loot and crafting materials available.