Path of Exile 2: Delirium Guide – Fog Mechanics, Passives, & Rewards
Path of Exile 2: A Comprehensive Guide to Delirium Endgame Events
Path of Exile 2's Atlas features four major endgame encounters: Rituals, Breaches, Expeditions, and Delirium. This guide focuses on Delirium, a returning mechanic from previous PoE Leagues, detailing how to initiate events, navigate the encounter, utilize the passive skill tree, and maximize rewards.
Understanding the Delirium Fog Mechanic

On the Atlas, Delirium map nodes are marked with a distinctive white and black icon resembling the Delirium Mirror. To guarantee a Delirium event, place a Delirium Precursor Tablet in a Lost Tower.
Within a Delirium map, locate the multicolored Delirium Mirror near your spawn. Activating it unleashes a swirling circle of Fog. This Fog expands, increasing enemy difficulty. Leaving the Fog ends the encounter.
Enemies within the Fog are significantly stronger but offer unique rewards: Distilled Emotions (used for crafting) and Simulacrum Splinters (for summoning the Pinnacle Boss). Fractured Mirrors within the Fog provide additional mob waves and loot. Be wary of Kosis and Omniphobia, powerful bosses that can randomly appear.
The Simulacrum Pinnacle Event
High-tier Waystones yield Simulacrum Splinters. Accumulate 300 splinters to create a Simulacrum, placing it in the Realmgate to access a challenging 15-wave event. Delirium bosses have an increased chance of spawning in later waves. Completion rewards two Delirium Passive Skill points.
Navigating the Delirium Passive Skill Tree

The Delirium Passive Skill Tree, located on the Atlas Passive Skill Tree (top-right), modifies Delirium events. It features eight Notable nodes and eight nodes increasing Simulacrum difficulty. Each Simulacrum completion grants two passive points, necessitating increased difficulty for each new Notable node.
Notable Delirium Passive Nodes:
| Notable Delirium Passive | Effect | Requirements |
|---|---|---|
| Get Out Of My Head! | 20% chance for Waystones to have an Instilled Emotion effect | N/A |
| Would You Like To See My Face? | Doubles Fog difficulty scaling, doubles Splinter stack size | Get Out Of My Head! |
| You Can't Just Wake Up From This One | Delirium Fog dissipates 30% slower | N/A |
| I'm Not Afraid Of You! | Delirium Bosses have 50% increased Life, but drop 50% more Splinters | You Can't Just Wake Up From This One |
| They're Coming To Get You... | Unique Bosses spawn 25% more often; slaying rares pauses Fog dissipation | N/A |
| Isn't It Tempting? | 30% chance for an extra reward, Delirium Demons deal 30% increased damage | N/A |
| The Mirrors... The Mirrors! | Delirium Fog spawns Fractured Mirrors twice as often | N/A |
| It's Not Real, It's Not Real! | Delirium enemies drop 50% more reward progress, Fog dissipates 50% faster | N/A |
Prioritize "You Can't Just Wake Up From This One," "Get Out Of My Head!", and "They're Coming To Get You" for optimal reward increases without significant drawbacks.
Delirium Rewards

Delirium Fog-affected enemies drop Distilled Emotions. These currencies anoint amulets with Notable Passive Skills, eliminating the need for passive skill point investment. They also add guaranteed modifiers to Waystones, increasing mob power within the Fog.
Simulacrum Splinters, also dropped by enemies, combine to form a Simulacrum for the Pinnacle event. Completing the Simulacrum guarantees a unique item.
All PoE 2 Distilled Emotions:
Distilled Envy
Distilled Fear
Distilled Isolation
Mastering the Delirium encounter significantly enhances your endgame experience in Path of Exile 2. By understanding the mechanics and strategically utilizing the passive skill tree, you can maximize your rewards and conquer this challenging event.
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