Home News Path of Exile 2: Delirium Guide – Fog Mechanics, Passives, & Rewards

Path of Exile 2: Delirium Guide – Fog Mechanics, Passives, & Rewards

by Aaliyah Feb 27,2025

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. Delirium, a returning mechanic from previous leagues, offers a unique and challenging experience. This guide details how to initiate Delirium events, navigate the encounter, access the Simulacrum Pinnacle map, utilize the Delirium Passive Skill Tree, and maximize your rewards.

Understanding the Delirium Fog Mechanic

On the Atlas, map nodes guaranteeing Delirium events are marked with a distinctive white and black icon resembling the Delirium Mirror. To ensure 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 spreading circle of Fog. The Fog's difficulty increases with your progression; exiting the Fog ends the encounter.

Enemies within the Fog are enhanced and drop unique rewards: Distilled Emotions (used in crafting) and Simulacrum Splinters (for summoning the Pinnacle Boss). Fractured Mirrors within the Fog spawn additional mobs and loot. Two potential bosses, Kosis and Omniphobia, may appear randomly, possessing full boss health pools.

The Simulacrum Pinnacle Event

Each endgame event offers Pinnacle Boss summoning items. Delirium Fog drops Simulacrum Splinters (at higher Waystone tiers). Accumulate 300 Splinters to create a Simulacrum, placing it in the Realmgate to access the 15-wave Simulacrum event. Difficulty escalates with each wave, with increased Delirium boss spawn chances. Completion rewards two Delirium Passive points.

Mastering the Delirium Passive Skill Tree

The Delirium Passive Skill Tree, located within the Atlas Passive Skill Tree (top-left button, then top-right), modifies Delirium events. It features eight Notable nodes and eight nodes increasing Simulacrum difficulty. Each Simulacrum completion grants two Passive Skill points, necessitating increased difficulty for each new Notable node.

Notable Delirium Passive Nodes:

Notable Delirium Passive Effect Requirements
Get Out Of My Head! Waystones have a 20% chance to have an Instilled Emotion effect. N/A
Would You Like To See My Face? Doubles Fog difficulty scaling but 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 Rare monsters pauses Fog dissipation. N/A
Isn't It Tempting? 30% chance for an extra reward, but 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, but 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.

Maximizing Delirium Rewards

Delirium Fog-affected enemies and bosses 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 Delirium mob power.

Simulacrum Splinters, also dropped by enemies, combine to form a Simulacrum for the Pinnacle event. Completing the Simulacrum yields Delirium Passive points and a guaranteed unique item.

All PoE 2 Distilled Emotions:

Distilled Ire Distilled Guilt Distilled Greed Distilled Paranoia Distilled Envy Distilled Disgust Distilled Despair Distilled Fear Distilled Suffering Distilled Isolation

By following these steps, you can effectively navigate the Delirium endgame and reap its substantial rewards.

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