Insatiable Appetite PoE Uber Eater of Worlds

PoE 3.24 Changes

The most difficult and most rewarding content in Path of Exile can be found in Uber Pinnacle bosses, such as The Maven and The Searing Exarch. Currently the only way to access these bosses is by allocating specific Keystones on the Atlas Passive Tree. While this system offers a nice element of control, it causes a problem: Rewards and access to the non-Uber variants are now economically priced around the rewards of the Uber fights. This means it is wasteful to run the non-Uber variants instead of simply selling them.
In addition, the difficulty jump between the Pinnacle and Uber Pinnacle content was relatively large, and there wasn't obvious content available that could bridge this gap. Many players would give up on their character before being able to defeat the Uber Pinnacle Bosses.
The Cosmic Wounds, Memento Mori, Thirst for Knowledge, Insatiable Appetite, Throw the Gauntlet, and The Perfect Storm Atlas Keystone Passives have been removed. Instead, we have added a new set of fragments that can be used to access the Uber Pinnacle Bosses.
These fragments can be obtained from the new Tier 17 Maps we're also introducing with this patch. Not only do these Maps give you access to the Uber Pinnacle content, they also test your characters in new ways. These feature a new set of Bosses, Uber Monsters, and a new tier of modifiers that can roll on Maps.
Tier 17 Maps have 20% Quality and are Unmodifiable.

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Insatiable Appetite

Insatiable Appetite is a new Atlas Keystone Passive Skill. It is for fighting the Uber Eater of Worlds. The fight is extremely difficult, so only attempt it if you have a very powerful character.

The Absence of Symmetry and Harmony is level 85
The Eater of Worlds' full power is unleashed in The Absence of Symmetry and Harmony
The Eater of Worlds has a 25% chance to drop an additional Exceptional Eldritch Ichor

Flavour Text: At the core of the mass, a fierce hunger seethes, as the Tangle's champion devours a myriad of worlds...

Insatiable Appetite PoE

Challenge: Defeat The Eater of Worlds in Absence of Symmetry and Harmony while the area is level 85

Firstly, you must allocate the Insatiable Appetite keystone in the Atlas passives.

Level: 85
Location: Absence of Symmetry and Harmony
Resistenace: 50% Fire, 50% Cold, 50% Lightning, 30% Chaos
Modifiers: 66% Less Curse Effectiveness, Cannot Be Fully Slowed.

The Eater of Worlds is one of the Eldritch Horrors. It serves as one of the Pinnacle bosses of the Atlas of Worlds during the Siege of the Atlas.

To encounter the Eater of Worlds, the player must first defeat The Infinite Hunger. After doing so and following the quest steps, a quest version of the Screaming Invitation can be obtained, allowing access to the Absence of Symmetry and Harmony.

After finishing the the Eater of Worlds quest, tradeable versions of the Screaming Invitation can be dropped from the map boss of the 28th (and 28+28, 28+28+28, and so on) T14+ Map influenced by the Eater of Worlds.

Name	How to use	Boss Fighting	Description
Screaming Invitation	Open portals to Absence of Symmetry and Harmony by using this item in a personal Map Device. In order to use it, the player must first kill The Eater of Worlds in its quest. Afterwards, tradeable versions can drop in any T14+ Map influenced by the Eater of Worlds after defeating the Infinite Hunger in a Writhing Invitation.	The Eater of Worlds	Modifiers to Item Quantity affect the amount of rewards dropped by the boss

Tips

The moving orbs in the arena inflict a debuff called "Drowning," with a 3-second timer when touched. Failing to move away from the orb to remove the debuff causes death after 3 seconds. The orbs move towards the player while the character is facing away, and move away if facing towards the orbs.
Avoid rolling the Buffered - 13% increased Quantity of Items found in this Area, 8% increased Rarity of Items found in this Area, Monsters gain (40-49)% of Maximum Life as Extra Maximum Energy Shield (Prefix) invitation mod, as the boss will recharge to full Energy Shield if the player fails to consecutively hit the boss or during immunity phases such as the Doom Phase. This mod will significantly increase the effective health of the boss and is not recommended for builds with low damage.

Attacks and Spells

Basic attack - tentacles are spawned under the player.
Sphere Slam - "Hunger!" - teleports to the player's location and channels a large sphere around itself for ~2 seconds, before delivering a slam around itself. The boss often repeats the spell one more time. Very high damage.
Tentacles Slam - "Writhing mass!" - after a delay, summons a set of tentacles that slam in a direction. Medium damage.
Lightning Beam - "Perish!" - channels for ~1 second, then fires a Shocking beam. Somewhat easily sidestepped. High damage.
Doom Phase - "Inescapable doom!" - the boss teleports to the center of the arena and begins to channel, while tracking the player with a beam with a steadily growing AoE from above. Purple spheres are spawned around the arena by Maven. The player has to stand in the circle around each sphere for a few moments to activate them (the sphere begins to glow distinctly). If the player fails to activate all spheres in ~20 seconds, extreme damage is dealt to everything in the arena.

Uber Pinnacle Boss Fights

PoE 3.18 added 7 new uber versions of Pinnacle Boss fights, accessible through Atlas Keystone Passives. These fights are extremely difficult, so only attempt them if you have a very powerful character.

Six new keystones create uber versions of Path of Exile's pinnacle boss fights: Venarius, Sirus, The Maven, The Searing Exarch, The Eater of Worlds and The Shaper and The Uber Elder.

Uber Pinnacle Boss	Atlas Keystone	Description
Uber Venarius	Memento Mori	The Cortex is level 85 Venarius' full power is unleashed in the Cortex Venarius drops 3 additional Rare Items with 3 less common Synthesised Implicit Modifiers
Uber Eater of Worlds	Insatiable Appetite	The Absence of Symmetry and Harmony is level 85 The Eater of Worlds' full power is unleashed in The Absence of Symmetry and Harmony The Eater of Worlds has a 25% chance to drop an additional Exceptional Eldritch Ichor
Uber Maven	Throw the Gauntlet	The Absence of Mercy and Empathy is level 85 The Maven's full power is unleashed in The Absence of Mercy and Empathy The Maven drops an Elevated Sextant
Uber Searing Exarch	Thirst for Knowledge	The Absence of Patience and Wisdom is level 85 The Searing Exarch's full power is unleashed in The Absence of Patience and Wisdom Eldritch Currency Items dropped by The Searing Exarch have 50% chance to be Duplicated
Uber Sirus	The Perfect Storm	The Eye of the Storm is level 85 Sirus' full power is unleashed in The Eye of the Storm Sirus has 20% chance to drop an Awakened Support Gem
Uber Shaper and Uber Uber Elder	Cosmic Wounds	The Shaper's Realm is level 85 The Shaper's and The Elder's full power are unleashed in The Shaper's Realm The Shaper and The Elder in The Shaper's Realm have 100% increased chance to drop an Orb of Dominance

Allocating one of these keystones on your Atlas passive tree ramps up the corresponding boss fight so that it is extremely difficult. Like, really hard. Harder than saying goodbye to Zana hard. Only allocate these keystones if your character is extremely powerful and you know you can handle the challenge. In general, the encounters' rules are modified to be far more punitive and difficult. In return, though, you can earn some very enticing rewards. Each of the uber fights has an additional high-chance reward and a chance of getting a very very rare chase reward. For example, the Uber Maven guarantees an Elevated Sextant if you're able to complete the encounter. Very rarely, you may be able to earn an Awakened Exceptional Support Gem as well such as Empower, Enlighten or Enhance.

These keystones unlock crazy battles that will challenge our most aspiring players who are deep in Path of Exile's endgame. They add a new level of difficulty for those who want to push their builds even farther than they ever have before.