Harmonious Choir - The Great Septimus Boss Release Date

Harmonious Choir - The Great Septimus is an upcoming Weekly boss in Version 2.2 of Honkai: Star Rail. Check out its release date and details here!

Harmonious Choir - The Great Septimus Release Date

Releases in Version 2.2

Version 2.2 Phase 1 Release Date
Release Date	May 07, 2024

As mentioned in the 2.2 Livestream, the Harmonious Choir - The Great Septimus was revealed to be a boss in an upcoming Trailblaze Mission, The Fool Always Rings Twice.

The Trailblaze Mission and Echoes of War stage will likely drop during Phase 1 of Version 2.2 which is expected to be on May 07, 2024.

Version 2.2 Release Date and Banners Guide

Harmonious Choir - The Great Septimus Overview

Harmonious Choir - The Great Septimus Basic Info

Harmonious Choir - The Great Septimus Information
Harmonious Choir - The Great Septimus
Weaknesses
Resistances	TBA

Harmonious Choir - The Great Septimus Location

Trailblaze Mission Enemy

Harmonious Choir - The Great Septimus will be the boss of The Fool Always Rings Twice Trailblaze Mission that will be released in Version 2.2.

List of All Trailblaze Mission

Upcoming Echoes of War Boss

Harmonious Choir - The Great Septimus will take place in the Penacony Grand Theater as an Echo of War boss.

Echoes of War Weekly Bosses and Drops

Harmonious Choir - The Great Septimus Drops and Rewards

Harmonious Choir - The Great Septimus Drops

Ascension Mats and Relics
Lost Echo of the Shared Wish	Lucent Afterglow	The Ashblazing Grand Duke	Watchmaker, Master of Dream Machinations
Possible Light Cone Drops
What Is Real	Dreamville Adventure	Final Victor	Flames Afar
Destiny’s Threads Forewoven	The Day The Cosmos Fell	It’s Showtime

All Items List

Other Item Drops

Items Dropped
Credit	Trailblaze EXP

Characters that Use The Great Septimus Materials

Boothill

It was announced in the Version 2.2 Livestream that Boothill will use this Material for his ascension.

All Character Ascension & Trace Materials

Harmonious Choir - The Great Septimus Talents and Abilities

Provides a Shield on Weakness Break

When you inflict Weakness Break on Harmonious Choir - The Great Septimus, all allies gain a shared shield.

First Phase

Uses Summons to Attack a Single Ally

Harmonious Choir - The Great Septimus can summon enemies and unleash an attack called Semichorus, which uses all summons to attack a single ally.

You can prevent the boss from unleashing Semichorus simply by inflicting Weakness Break on their summons.

Second Phase

Gets Stronger With More Summons

During Phase 2, the Harmonious Choir - The Great Septimus can charge up to unleash Chorus to attack all allies. The attack gets stronger the more summons there are on the field.

Inflicting Weakness Break on the summons will reduce the DMG dealt through Chorus.

Can Summon a Shield

Harmonious Choir - The Great Septimus can also cast a shield to themselves. The shield will also boost their DMG dealt to your units and make the Harmonious Choir - The Great Septimus immune to Toughness DMG.

Third Phase

Attacks Ignore DEF

In Phase 3, the Harmonious Choir - The Great Septimus can launch an attack that can ignore the DEF of your units.

Honkai: Star Rail Related Guides

List of All Bosses

Echoes of War Weekly Bosses

Doomsday Beast	Cocolia, Mother of Deception	Phantylia the Undying
Starcrusher Swarm King - Skaracabaz (Synthetic)	Harmonious Choir - The Great Septimus

Echoes of War Weekly Bosses and Drops

Stagnant Shadows Field Bosses

Disciples of Sanctus Medicus - Shape Shifter	Ice Out of Space	Decaying Shadow
Frigid Prowler	Automaton Direwolf	Blaze Out of Space
Guardian Shadow	Stormbringer	Voidranger - Trampler
The Ascended	Aurumaton Gatekeeper	Abundance Sprite - Malefic Ape
Searing Prowler	Aurumaton Spectral Envoy	Dreamjolt Troupe's Sweet Gorilla
Dreamjolt Troupe's Beyond Overcooked	Memory Zone Meme - Shell of Faded Rage	Senior Staff - Team Leader

Stagnant Shadow Field Bosses and Drops