Honkai Apocalyptic Shadow 3.7 Best Teams: Firefly, Herta

Apocalyptic Shadow 3.7 **Instigation of the Locusts** throws Sky-Shrouding Stardevourer Swarm and Opportunistic Provocateur at us. Here's your complete breakdown of optimal Firefly, The Herta, Saber, and Kafka team comps — builds, rotations, and scoring strategies included.

Author: BitTopup Publish at: 2025/11/14

Apocalyptic Shadow 3.7 Overview and Meta Shifts

What's New This Cycle

Running November 10 through December 22, 2025, this cycle introduces some interesting mechanics. The Ruinous Embers Effect is actually pretty generous — when those Steadfast Safeguard enemies finally break, you get full control dispel, action advance, and HP restoration for your entire team. Plus enemies take 15% more Memosprite Skill damage and a hefty 25% more Ultimate damage.

Here's the kicker though: Steadfast Safeguard cuts incoming damage by 50% before weakness break, but doubles it afterward. This heavily favors Break Effect teams and AoE compositions that can clear enemy summons before they hit enhancement level 3. Trust me, you don't want to see what happens at level 3.

Boss Breakdown

Sky-Shrouding Stardevourer Swarm brings Physical, Ice, Quantum, and Imaginary weaknesses to the table.

Sky-Shrouding Stardevourer Swarm boss battle screenshot showing weakness types and enemy summons

The Insect Egg Fission mechanic spawns summons that gain Growth Hormone stacks — Phase 1 features Gnaw Sting summons, while Phase 2 adds Lesser Sting enemies. (Pro tip: prioritize those Lesser Stings in Phase 2.)

Opportunistic Provocateur (yes, it's Phantylia again) has Fire, Lightning, Wind, and Imaginary weaknesses. Flower by Another Name provides Toughness Protection during summon phases, and Withered Tree's Revival restores 25% HP during form changes at Difficulty 3. Annoying? Absolutely.

Current Meta Rankings

Looking at 26,494 Stage 4 clears, the numbers tell an interesting story. Saber dominates with 66.28% usage and a solid 3525 average score. The Herta sits at just 2.84% usage but boasts the highest average score at 3639 points — quality over quantity, apparently. Firefly holds 7.11% usage with 3517 average score, while Kafka teams show 42.44% Hysilens usage averaging 3492 points.

Character usage statistics chart showing Saber, The Herta, Firefly, and Kafka performance data

Support-wise? Sunday appears in 66.28% of clears, Ruan Mei in 60.01%, and Huohuo in a staggering 93.52%. That sustain dependency is real.

Firefly Team Compositions

Core SAM Teams

The premium setup remains Firefly/Fugue/Ruan Mei/Lingsha. Complete Combustion delivers a 30-60 SPD increase, 50% Break Efficiency, and 10-20% enemy Break damage vulnerability. Her Enhanced Skill scales beautifully with Break Effect: (0.2×Break Effect +100-200%) ATK, capped at 360%.

Firefly premium team composition showing Firefly, Fugue, Ruan Mei, and Lingsha characters

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The rotation's straightforward: Ultimate for Complete Combustion, then two Enhanced Skills per cycle. Each Enhanced Skill regenerates 50% Energy while consuming 40% HP, enabling consistent state maintenance and maximizing Super Break triggers.

Support Synergies That Actually Matter

Ruan Mei brings Break Effect buffs, extends Weakness Break duration, and delays enemy actions. With her buff, you hit 155 base SPD enabling three first-cycle attacks. Fugue adds exo-Toughness for repeated breaks — essential for this cycle's mechanics. Lingsha provides AoE healing while increasing enemy Break damage received by 25%.

Break Effect Optimization

You need 360% Break Effect in combat. Non-negotiable. Iron Cavalry relic set ignores 10% DEF at 150% Break Effect, with an additional 15% at 250%. Whereabouts Should Dreams Rest provides 60% Break Effect and Routed debuff (24% increased Break damage taken). F2P options include On the Fall of an Aeon or Indelible Promise (56% Break Effect at S5).

The Herta Optimal Builds

Follow-up Synergies

Optimal team composition: The Herta/Anaxa/Tribbie/Aventurine. Hardened by Frost grants 50% Ice damage increase and 10% SPD boost. She starts with 25 Interpretation stacks on Elite+ enemies, with each stack providing 8% Enhanced Skill damage (primary target) and 4% (adjacent) — doubled with an Erudition ally present.

The Herta optimal team composition featuring The Herta, Anaxa, Tribbie, and Aventurine

Her Ultimate rearranges stacks to Elite+ targets: 200% AoE Ice damage, 80% ATK for 3 turns, and 100% action advance. Enhanced Skill deals 130% primary plus 130% adjacent twice, with 40% to all enemies. The numbers get ridiculous fast.

DPS Maximization

Her A4 trace provides 80% team CRIT damage with 2+ Erudition allies. Enhanced Skill reaches 672% primary target damage with maximum stacks. Hero of Triumphant Song (96.97% usage rate) offers 8% CRIT Rate, 20% Skill/Ultimate damage, and 25% next Skill damage post-Ultimate.

Target these stats: 2500-2900+ ATK, 90-100% CRIT Rate, 134/160 SPD breakpoints. Into the Unreachable Veil provides 12-20% CRIT Rate and 60-100% Skill/Ultimate damage for 3 turns post-Ultimate.

Saber Team Guide

DPS Build Priorities

Premium team: Saber/Sunday/Tribbie/Huohuo. Sweeping Force grants 30% Basic ATK and Ultimate CRIT damage, with an additional 30% against Weakness Broken enemies. Core Resonance stacks from ally Ultimates provide up to 60% damage with 3 stacks.

His Skill deals 150% single plus 75% adjacent, scaling with 14% damage per stack when filling Energy. Ultimate hits for 280% AoE plus 10 instances of 110% random targeting. Enhanced Basic delivers 150% AoE plus 2 stacks.

Team Synergies

Sunday provides 100% action advance and 72 Energy — absolutely crucial for Saber's rotation. His CRIT buffs complement Saber's innate 20% CRIT Rate, helping reach that optimal 80% CRIT Rate threshold. F2P alternatives like Trailblazer (Ice)/Tingyun/Lynx reduce damage by 15-25% but still enable Difficulty 1-2 clears.

Target stats: 80% CRIT Rate, 120%+ CRIT damage, 2500+ ATK, 135+ SPD. A Thankless Coronation delivers 116% relative DPS through CRIT damage and ATK scaling.

Kafka DoT Strategies

DoT Mechanics Deep Dive

Optimal team: Hysilens/Kafka/Black Swan/Huohuo. Dire Straits provides 50% Weakness Break efficiency against enemies with 3+ DoT states. Kafka's buffs include Skill triggering DoT on all hits, follow-ups triggering all DoTs at 80% damage, and Ultimate refreshing follow-up triggers.

Hysilens applies all four DoT types, maximizing Dire Straits effectiveness. Speed tuning goes Hysilens > Kafka > Black Swan > Sustain. You need 120% Effect Hit Rate across all units for guaranteed debuff success — don't skimp on this.

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Rotation Optimization

The sequence is Hysilens Skill for DoT application → Black Swan Skill for Arcana stacks → Kafka Skill for detonation. DoT damage formula: Base × (1 + ATK%) × (1 + Elemental damage%) × (1 + DoT damage%) × Resistance. Most DoTs deal 25% ATK base damage with a 20% enemy HP cap for Bleed.

Character Builds and Equipment

Light Cone Priorities

Firefly: Whereabouts Should Dreams Rest (60% Break Effect, Routed debuff) is optimal. F2P alternatives include On the Fall of an Aeon and Indelible Promise.

The Herta: Into the Unreachable Veil (75.7% usage) for CRIT Rate and damage amplification.

Saber: A Thankless Coronation (116% relative DPS), with On the Fall of an Aeon as F2P option.

Relic Optimization

Firefly: Iron Cavalry Against the Scourge for DEF ignore scaling. Main stats: ATK% Body, SPD Feet, ATK% Sphere, Break Effect Rope.

Character equipment and relic build recommendations showing Iron Cavalry set and light cone options

The Herta: Hero of Triumphant Song (96.97% usage), Izumo Gensei ornaments.

Saber: Wavestrider Captain for CRIT damage, Firmament Frontline: Glamoth at 135+ SPD.

Stat Distribution

Firefly: 150 SPD, 2600+ ATK, 360% Break Effect. Substats priority: Break Effect > ATK% > SPD.

The Herta: 2500-2900+ ATK, 90-100% CRIT Rate, 134/160 SPD breakpoints.

Saber: 80% CRIT Rate, 120%+ CRIT damage, 2500+ ATK, 135+ SPD.

Team Rotations and Management

Skill Sequences

Firefly: Ultimate for Complete Combustion → two Enhanced Skills per cycle. Her Technique applies Fire Weakness for 2 turns plus 5.3% Break Effect.

The Herta: Ultimate for stack rearrangement → Enhanced Skill for maximum consumption.

Saber: Coordinate ally Ultimates for Core Resonance → Skill for stack consumption.

Energy Management

Sunday provides 72 Energy to DPS units, enabling immediate Ultimate cycling. Kafka operates SP-neutrally with Ultimate timing during vulnerability windows. Action Value Timer scoring requires efficient rotation timing for 60,000 points per stage.

F2P Alternatives

Budget Substitutions

Firefly F2P: Firefly/Harmony Trailblazer/Ruan Mei/Gallagher maintains 70-80% premium efficiency.

The Herta F2P: Jade for Erudition synergy, Serval for Lightning damage.

Saber F2P: Trailblazer (Ice)/Tingyun/Lynx reduces damage 15-25% but remains viable.

Kafka F2P: Sampo/Serval/Gallagher loses 50% DoT output but maintains T1 viability.

Investment priority: focus single DPS over team spreading, signature weapons for DPS units, F2P alternatives for supports.

Advanced Strategies

Boss Pattern Recognition

Sky-Shrouding Stardevourer: AoE focus for summon management — prevent enhancement level 3 at all costs. Phase 2 prioritizes Lesser Sting clearing.

Opportunistic Provocateur: Selective Lotus targeting, defeat summons before Eternal Condemnation triggers.

Weakness Exploitation

First boss weaknesses (Physical, Ice, Quantum, Imaginary) favor Phainon, The Herta, and Castorice. Second boss weaknesses (Fire, Lightning, Wind, Imaginary) align perfectly with Firefly, Kafka, and Saber. Coordinate team buffs with vulnerability windows for 3600+ point scoring.

FAQ

What are the best teams for the first boss? Phainon/Sunday/Cerydra/Permansor Terrae (Physical), Castorice/Evernight/Tribbie/Hyacine (Quantum/Ice), The Herta/Anaxa/Tribbie/Aventurine (Ice AoE). These exploit the Physical, Ice, Quantum, Imaginary weaknesses with essential AoE for summon management.

How should I build Firefly for maximum effectiveness? 360% Break Effect in combat, 150+ SPD, 2600+ ATK. Iron Cavalry relics with ATK% Body, SPD Feet, ATK% Sphere, Break Effect Rope. Whereabouts Should Dreams Rest is optimal, F2P can use On the Fall of an Aeon.

Which supports work best with Kafka DoT teams? Hysilens (comprehensive DoT application), Black Swan (Arcana stacking), Huohuo (ATK buffs, cleanse). Maintain 120% Effect Hit Rate and speed tune Hysilens > Kafka > Black Swan > Sustain.

What F2P alternatives exist for premium teams? Firefly/Harmony Trailblazer/Ruan Mei/Gallagher (Break), Kafka/Sampo/Serval/Gallagher (DoT), Archer/Xueyi/Trailblazer Ice/Permansor Terrae (Physical). These maintain 70-80% premium efficiency with lower investment requirements.

How do I optimize rotations for maximum scoring? Coordinate buffs with vulnerability windows, prioritize summon clearing, utilize Stunning Remark (Break teams) or Dire Straits (DoT). Monitor Action Value Timer and balance clear speed with survival.

What are the most important investment priorities? Single DPS optimization over spreading resources, signature light cones for main DPS units, Break Effect for Firefly, CRIT stats for Saber, Effect Hit Rate for Kafka teams. Prioritize Ultimate and Skill traces over Basic attacks.

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