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Threshold Simulation - Branching Echoes is a new combat mode coming to Zenless Zone Zero (ZZZ) 2.3. See all the guides on all hard battle modes, as well as the easy ones, and how to play Threshold Simulation here!
List of Contents
| Battle | Stages | Wk. | Res |
|---|---|---|---|
| Battle 01 | Final Stage | None | |
| Required 1-1 | None | ||
| Required 1-2 | None | ||
| Optional 1-3 | None | ||
| Battle 02 | Final Stage | ||
| Required 2-1 | None | ||
| Required 2-2 | None | ||
| Optional 2-3 | None | ||
| Battle 03 | Final Stage | ||
| Required 3-1 | None | ||
| Required 3-2 | |||
| Required 3-3 | None | ||
| Optional 3-4 | None | ||
| Last Node | Final Stage | ||
| Required 4-1 | None | ||
| Required 4-2 | |||
| Required 4-3 | |||
| Optional 4-4 | None |
| Battle | Stages | Wk. | Res |
|---|---|---|---|
| Battle 01 | Final Stage | None | |
| Required 1-1 | |||
| Battle 02 | Final Stage | ||
| Required 2-1 | |||
| Optional 2-2 | None | ||
| Battle 03 | Final Stage | ||
| Required 3-1 | None | ||
| Required 3-2 | |||
| Optional 3-3 | |||
| Last Node | Final Stage | ||
| Required 4-1 | |||
| Required 4-2 | |||
| Optional 4-3 |
| Final Stage Boss Information | ||
|---|---|---|
Notorious - Marionette
|
Wk. | |
| Res. | None |
|
| Enemy Details | ||
| • DMG dealt by Boss enemies increases by 25%. When a clone is destroyed or when the main body is stunned, 1/5 stacks of On Thin Ice is inflicted on Boss enemies, respectively. Each stack of On Thin Ice decreases the DMG dealt by the Boss by 5% and increases the Ice DMG and Electric DMG dealt to the Boss Agents by 10%. On Thin Ice will be reset when the enemy recovers from Stun. • Successfully destroying a dance partner grants 200 Performance Points. A maximum of 5,000 Performance Points can be obtained. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||
The best way to defeat the Notorious Marionette is to keep destroying their partner as much as possible. You can gain about 5,000 Performance Points!
The Notorious Marionette separates and spins around, dealing a lot of DMG to your characters if they've been caught. Best switch to another character as you see their attack cues to counter them!
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
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|---|---|
| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
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| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
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| Multiplier |
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| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Final Stage Boss Information | ||
|---|---|---|
Sacrifice - Bringer
|
Wk. | |
| Res. | ||
| Enemy Details | ||
| • When inflicting an Attribute Anomaly or Disorder on a boss enemy, all squad members gain 1 stack of Laser Focus, stacking up to 6 times. Each stack of Laser Focus increases the Agent's ATK by 8%. With at least 3 stacks of Laser Focus, inflicting an Attribute Anomaly will increase its duration by 5s. When Sacrifice - Bringer attacks with his Sacrificial Knife, all squad members' Laser Focus stacks will be reset. • Successfully interrupting a chant grants 2,000 Performance Points. A maximum of 5,000 Performance Points can be obtained. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||

At the start of the challenge, always take advantage of the golden or red attack cues and execute a perfect assist or a dodge counter to maximize the DMG and built up decibels for an ultimate.
Avoid using your ultimate until Bringer starts chanting. Break the chant, and once he's down, unleash all your character's Ultimate on them for maximum damage!
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
|
|---|---|
| Objectives |
|
| Enemies & Weaknesses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
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|---|---|
| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
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| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Final Stage Boss Information | ||
|---|---|---|
Miasma Priest
|
Wk. | |
| Res. | ||
| Enemy Details | ||
| • When the Miasma Priest switches phase, their Anomaly Buildup RES increases by 10% and CRIT DMG taken increases by 30%. This effect can stack up to 2 times and is cleared when Miasmic Shield breaks. • When an Agent successfully performs 3 Defensive Assists within 3 seconds, earn 1,000 Performance Points. A maximum of 5,000 Performance Points can be obtained. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||
To gain a maximum of 5,000 Performance Points, you must continuously perform three consecutive Defensive Assists during the Miasma Priest's barrage of attacks.
Whenever the Miasma Priest reels away to gather power, counter it by activating an agent's ultimate as it strikes to avoid taking damage while also dealing it.
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
|
|---|---|
| Objectives |
|
| Enemies & Weaknesses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
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|---|---|
| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
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| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
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|---|---|
| Objectives |
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| Enemies & Weaknesses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Final Stage Boss Information | ||
|---|---|---|
The Defiler
|
Wk. | |
| Res. | ||
| Enemy Details | ||
| • When an Agent hits The Defiler with Defensive Assist, the whole squad gains 1 stack of Adjudication; when an Agent knock down The Defiler attacking in mid-air, the whole squad gains 4 stacks of Adjudication. Adjudication can stack up to 6 times and lasts for 30 seconds. Repeated triggers reset the duration. • For each stack of Adjudication, the Agent's CRIT DMG is increased by 8%. • The Defiler receives 25% less Attribute Anomaly DMG. • When an Agent causes Impaired status, they gain 2500 Performance Points; when an Agent shoots down the Defiler while it's attacking mid-air, they gain 1500 Performance Points**, up to a maximum of 5000 Performance Points. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||

The Defiler's deadliest attack is its Miasma Tsunami, reminiscent to Nineveh's Ether Wave attack. She will charge up a massive attack before setting off an explosion that is guaranteed to one-shot your active character.
To negate this, destroy the massive sword that the Defiler will implant into the ground during initiating this attack. Doing so will form a barrier that you can use for cover to wait out the tsunami.

Another notable attack by the Defiler is where she floats out of the arena and sends forth illusory MIasmic Troopers holding riot shields to charge at you.
When you see these mobs, be sure to use your Defensive Assists on each hit to destroy the illusions, negate any incoming DMG, and render the Defiler vulnerable for a short time!

Finally, the last attack you need to pay attention to is the Miasmic Blade attack, where the Defiler flies out of reach and sends forth waves of Miasma at you.
Use Defensive Assists against this attack to send the waves back to the Defiler and forcefully ground her. This will also render her vulnerable for a short time, allowing you to deal your own bouts of DMG!
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
|
|---|---|
| Objectives |
|
| Enemies & Weaknesses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
|
|---|---|
| Objectives |
|
| Enemies & Weaknesses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
|
|---|---|
| Objectives |
|
| Enemies & Weaknesses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Multiplier |
|
|---|---|
| Objectives |
|
| Enemies & Weaknesses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Final Stage Boss Information | ||
|---|---|---|
Notorious - Dead End Butcher
|
Wk. | |
| Res. | None |
|
| Enemy Details | ||
| • DMG dealt to boss enemies by Attribute Anomaly is increased by 50%. While Notorious - Dead End Butcher is in Ether Enhanced state, the DMG it takes is reduced by 15%, and the Daze value dealt by Agents to it is reduced by 30%. Triggering Disorder on Notorious - Dead End Butcher immediately forces it to exit the Ether Enhanced state.
• Successfully triggering Perfect Dodge grants 200 Performance Points. A maximum of 5,000 Performance Points can be obtained. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||
The Notorious Dead End Butcher will disappear momentarily, then an attack cue will appear. Counter it by executing a Perfect Dodge or switching via a Perfect Assist.
This variant of the Dead End Butcher can also gather what looks like ether into a ball; it will follow you and explode. It will chip a lot of HP off your agents, so best dodge it before it explodes.
The Notorious Dead End Butcher will gather ether in their hammer, and once it's full, they will unleash a torrent of attacks that can only be countered by switching via a Perfect Assist and repeatedly pressing the attack button.
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Final Stage Boss Information | ||
|---|---|---|
Notorious - Pompey
|
Wk. | |
| Res. | ||
| Enemy Details | ||
| • When the Agent hits the boss enemy with a Defensive Assist or Chain Attack, they applies 1 stack of Weakening to the target. For each stack of Weakening on the target, Agent CRIT DMG is increased by 10%.
When the boss enemy has 4 stacks of Weakening, Defensive Assist will deflect the boss enemy's attack, causing a Stagger effect. • Successfully triggering Perfect Assist grants 300 Performance Points. A maximum of 5,000 Performance Points can be obtained. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||

Notorious Pompey will have the gold or red Perfect Assist cues during its AoE attacks and launch to an Agent with a quick strike—Counter Notorious Pompey's attacks with Perfect Assists or Dodge Counters.
Build up the Weakening stacks using Chain Attacks and Defensive Assists. Use the Defensive Assist at four stacks to stagger the boss and make an opening; use Agent Ultimates when it's stunned.
You can also earn more Performance Points by landing Perfect Assists; therefore, using the attack cues to counter is essential.
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Final Stage Boss Information | ||
|---|---|---|
Typhon Destroyer
|
Wk. | |
| Res. | ||
| Enemy Details | ||
| • Agents inflict Overwhelmed when landing a Defensive Assist hit against a Boss enemy, and 3 stacks of Overwhelmed when accumulating 3 Defensive Assist hits and triggering Impaired. Each stack of Overwhelmed increases Daze by 15%, and Chain Attack and Ultimate DMG taken while Stunned by 10%. The enemy will fix the impaired parts and reset the impairment level while charging, and will reset its Overwhelmed stacks after recovering from Stun.
• Assist Points are not consumed for this battle. • Successfully triggering a Perfect Assist grants 200 Performance Points. • Successfully causing Impaired grants 600 Performance Points. A maximum of 5,000 Performance Points can be obtained. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||
From the get-go, expect the Typhon Destroyer to be increasingly aggressive in its attacks, so it's best to either dodge or do assists to avoid tanking too much damage against this enemy.
The best way to defeat the Typhon Destroyer is to inflict the Shock effect, slow it down, and stagger it. This will give you the opportunity to beat it a lot faster!
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Final Stage Boss Information | ||
|---|---|---|
Miasma Priest
|
Wk. | |
| Res. | ||
| Enemy Details | ||
| • When the Miasma Priest switches phase, their Anomaly Buildup RES increases by 10% and CRIT DMG taken increases by 30%. This effect can stack up to 2 times and is cleared when Miasmic Shield breaks.
• When an Agent successfully performs 3 Defensive Assists within 3 seconds, earn 1,000 Performance Points. A maximum of 5,000 Performance Points can be obtained. • When an extra score multiplier is active in this stage, the Performance Points cap will increase accordingly. |
||
To gain a maximum of 5,000 Performance Points, you must continuously perform three consecutive Defensive Assists during the Miasma Priest's barrage of attacks.
Whenever the Miasma Priest reels away to gather power, counter it by activating an agent's ultimate as it strikes to avoid taking damage while also dealing it.
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
|
| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
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| Best Teams & Bangboo | Buff |
|---|---|
| Objectives |
|
|---|---|
| Enemies & Weakneses |
| Best Teams & Bangboo | Buff |
|---|---|

When progressing through Threshold Simulation, Agents and Bangboo cannot be used again within a battle node. Each stage within a battle node will require unique teams.
Due to this restriction, you will need to take a look at enemy weaknesses and plan your teams accordingly.

Each stage in Threshold Simulation will come with a set of buffs you can apply to your team. Choose the one that works best with your current lineup for a better chance at clearing all objectives.

Clearing fights before the final one in each battle node will increase your score multiplier against the boss. Clearing most of these encounters is required to continue progress, but some will be optional.

Once you take on the boss of a battle node, aim for a high score to ensure you get all of the rewards. To do this, be sure to once again select the appropriate buff for the team you are using and take advantage of boss mechanics.

Threshold Simulation - Branching Echoes is a new game mode coming in Version 2.3. Here, you might fight through Combat Nodes that have three stages within and make a choice to reach an ending in Story Nodes!
| Easy Mode Rewards |
|---|
You can earn up to 380 Polychromes by completing all objectives in Threshold Simulation Easy Mode. Easy Mode is available permanently and rewards do not reset.
| Hard Mode Rewards |
|---|
You can earn up to 600 Polychromes by completing all objectives in Threshold Simulation Hard Mode. Hard Mode is only available for set periods and rewards do reset with each new period.

The Undefeated Simulation Commander title is rewarded to Proxies after unlocking 1 ending in the Ending Collection, while the A Thousand Paths, A Thousand Changes avatar is obtained after unlocking 2 endings. Additionally, players can get the Final Gambit namecard after achieving a high score of 400,000 points in Hard Mode.
| Zenless Zone Zero 2.3 Release Date | |
|---|---|
![]() |
|
| Release Date | October 15, 2025 |
Threshold Simulation: Branching Echoes was released on October 15, 2025 during Version 2.3. The new combat mode was first announced during the 2.3 Livestream.
2.3 Release Date and Banners Guide
Threshold Simulation - Branching Echoes Combat Guide



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