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See how to beat Forgotten Hall's Memory of Chaos Stage 11 in Honkai: Star Rail Version 3.6 with this guide! We've got the best teams, recommended characters, and rewards for Category Mistake here.
| Objectives | ♦ Win with at least 10 cycle(s) left ♦ Win with at least 20 cycle(s) left ♦ Have no downed characters |
|---|
| Category Mistake | |
|---|---|
| First Half | |
| Second Half |
| Category Mistake | |
|---|---|
| When an ally character has a summon, the DMG dealt by this unit and the summon increases by 40%. At the start of each Cycle, "Memory Turbulence" deals 1 instance of True DMG to all enemies, plus 1 additional instance of DMG for each ally summon, up to a maximum of 2 instances. | |
| Phase Duration | 10/27/2025 - 12/08/2025 |
| Phainon DPS | |||
|---|---|---|---|
Phainon | Sunday | Cerydra | Permansor Terrae |
| Hysilens DoT | |||
Hysilens | Kafka | Black Swan | Permansor Terrae |
| Aglaea DPS | |||
Aglaea | Sunday | Robin | Permansor Terrae |
| F2P Team | |||
Serval | Trailblazer | Asta | Permansor Terrae |
Enemies in the first half are primarily weak to Physical and Lightning. We recommend using characters that use AoE attacks to easily take out Servant of Tides and win the dice gamble against Aventurine.
All enemies in the second Half are weak to Fire and Ice. We recommend using units that have AoE attacks since there's a lot of enemies per wave in this half and the Banacademic Office Staff is made up of multiple targets.

For the first half, focus on taking out the Lady of Crashing Waves and its Servants of Tides first since they can inflict Black Tide Fever on your characters, which deals a lot of DoT damage over the turns. Once they're defeated, you can take out the Aurumaton Spectral Envoy with ease.

Use AoE attacks whenever Aventurine summons his dice. Having at least one AoE attack per character will help you win the gamble and prevent you from taking massive damage on Aventurine's next turn.

For the second half, the Banacademic Office has two Mr. Domescreens that reduce your Energy on their turn. Attack them so they switch channels and grant you Energy instead of reducing it on their turn.
| Wave 1 Enemies | Weaknesses |
|---|---|
| Wave 2 Enemies | Weaknesses |
| Wave 1 Enemies | Weaknesses |
|---|---|
| Wave 2 Enemies | Weaknesses |
| All Rewards | ||
|---|---|---|
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| The Last Vestiges of Towering Citadel Stages | ||||
|---|---|---|---|---|
| Stage 1 | Stage 2 | Stage 3 | Stage 4 | Stage 5 |
| Stage 6 | Stage 7 | Stage 8 | Stage 9 | Stage 10 |
| Stage 11 | Stage 12 | Stage 13 | Stage 14 | Stage 15 |
| The Voyage of Navis Astriger Stages | ||
|---|---|---|
| Stage 1 | Stage 2 | Stage 3 |
| Stage 4 | Stage 5 | Stage 6 |
| Memory of Chaos Stages | |||
|---|---|---|---|
| Stage 1 | Stage 2 | Stage 3 | Stage 4 |
| Stage 5 | Stage 6 | Stage 7 | Stage 8 |
| Stage 9 | Stage 10 | Stage 11 | Stage 12 |
You can also use a mono-quantam team if you have your qingque prepped for dreamland of longing since she uses a ton of SP therefore making the turbulence stacks pretty high frequently. I dont own fu xuan but I had my qingque with rutilant arena 71% crit rate and 115% crit damage, tho downside is it gets scary when the dino spits fire since u cant really consistently get him to 6 stacks so just prayge your team dont die by it xd managed to win just on 20 cycles left
Memory of Chaos Stage 11 Guide for Version 3.6



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Acheron in both and for the first half, Jingliu and not even 2 other nihilities?