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InDiablo 4, the final challenge for players is to face off against the Echo of Lilith, the boss of the capstone dungeon in World Tier IV. This encounter should only be undertaken once your character has reached an endgame level of power and has crafted reliably Masterworked gear.Mythic Unique items are not required to defeat herbut will make the entire boss fight proceed much faster and smoother, especially items like Tyrael’s Might and theHarlequin Crest Unique.
To find the Echo of Lilith,players must reach World Tier IV: Tormentto unlock the final capstone dungeon. It is there, at the Echo of Hatred, where the Echo of Lilith can be found. This dungeon is located in Nevesk, the first town where the Wanderers began their journey. Upon interacting with Lilith’s Blood Petals, players will be transported into the dungeon, the same arena in which Lilith was defeated during the Campaign.

Diablo 4: Season 5 - Fireball Sorcerer Endgame Build (Skills, Enchantments, Aspects & Items)
Sorcerer is stronger than ever in Diablo 4 Season 5, and one of the best builds to use for it in the endgame is with the Core Skill Fireball.
Echo of Lilith: Phase One
The DPS Check
At the start of the fight, the Echo of Lilith will drop from the sky, knocking the player back. Upon recovering, the player should immediately hit Lilith with everything they have, getting as much damage off before she flies up again and begins her attacks. Upon reaching approximately half of her remaining HP bar,she will summon blood blisters and demons, which should be dealt with immediately.
Blood Blisters are incredibly dangerous, especially in groups. If they are not swiftly destroyed, they can one-shot the player.

TheChain Lightning Sorcereris an incredible build for this boss fight due to its massive overhealing and multi-target damage potential, as well as the ability toquickly stun the Echo of Lilith, preventing her from taking any actions.
If the boss is successfully able to begin attacking, watch out for the waves of rocks that will pierce through the arena on all sides, which the player can dodge by reading which direction the rocks will be launched from first. The Echo of Lilith will also try to land on top of the player to deal massive damage, for which skills like the Sorcerer’s Teleport and the Rogue’s Dash can be excellent counters.
Echo of Lilith: Phase Two
The Survivability Check
The second phase of the boss fight will test players' survival ability, as the Echo of Lilith will flood the arena with Hellfire and force the Wanderer to the defensive. In her second phase, she can be stunned far more accessible than in her first phase, giving the player ample opportunity for massive DPS.
The Rogue’s Shade Totem, through the use ofDiablo 4’s Umbracrux Unique, is an excellent way to take advantage of her weakness to be crowd-controlled. However, even if the Echo of Lilith is brought down to zero HP,she will still continue the mechanics of her phase, of which the player must survive until the end.
If players are struggling to survive,consider crafting a Mythic Uniquewith Resplendent Sparks at the Alchemist to help with Damage Reduction and Elemental Resistances.
The Echo of Lilith will begin to break three sections of the arena: the top first, the right second, and the left third.Keep close to Lilith while she does this, as the remainder of the arena will be swarmed with her magic. Once this magic dissipates and the corresponding section of the arena is about to break, quickly move off of the crumbling platform to prevent a wipe.
While this is happening, Lilith will have spawned Blister Turrets that will be firing purple orbs at the player, which do absurd amounts of damage.A high movement speed helps tremendously with being able to dodge these, as does having access to Mobility or Defensive skills.
Once the three sections of the arena have been destroyed, the boss fight will be over as long as the Echo of Lilith has no more HP. The player will be rewarded with a Resplendent Spark, and if the boss fight is completed solo, the player will also obtain Lilith’s Title. With the final challenge completed, players can now proceed with the endgame ofDiablo 4.