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Echoes of War: Season of Fervor Stages and Rewards
Cycle of Fervor Ⅰ is live (Nov 5 to Nov 12): Avenger File: Bonekrusher, Construct File: Geist and Pulverizing Ammunition. Season of Fervor runs November 5 to November 26, 2026 (Version 1.6) with 9 stages in 3 cycles, 3 of them new: Avenger File: Bonekrusher, Construct File: Geist, Defense File: Shield. Below is a clear guide for each live stage, then every stage's mechanics, enemies and star rewards across all 20 stages from 6 seasons.
Last updated: November 5, 2026 · Source: SeasonTower game data tables, joined to the enemy database
The three stages in rotation right now, with how each one is won on Brutal, what to avoid, and the teams that fit. Clear all three on Brutal for the full 9 stars and the Band Legend title. Teams are ranked by our own team damage model (60-second rotations at level 90), with each stage's enemy resistances applied. The model does not score stage rules such as free Ultimates or shields, so the clear steps cover those.
Stage 1
Avenger File: BonekrusherNew
An Arts burst stage: the whole team gets +100% Arts Intensity and starts at max Ultimate Energy, against Elite Ambushers and Bonekrusher Siegeknuckles elites. Heat is the only element both enemies take at full damage.
Fire the free Ultimates on the Bonekrusher Siegeknuckles. At 825k base HP at level 90 it holds most of the stage's HP, while an Elite Ambusher has 174k.
The +100% Arts Intensity raises Arts Reaction and Arts status damage, so an Arts team that triggers reactions gets more from this stage than a Physical one.
Bring Heat. The Siegeknuckles cuts Physical, Cryo, Electric and Nature to 80%, and the Ambushers resist nothing.
Default Kill Order
1. Bonekrusher Siegeknuckles2. Elite Ambushers
Spend the opening Ultimates on the elite, then clean up the Ambushers with normal rotation damage.
Avoid: Physical-only teams. They get nothing from the Arts Intensity buff and lose 20% on the Siegeknuckles.
A single-boss fight against Gloomwald's Rage (1.47M base HP at level 90, before the stage stat boost). It starts with 3 shield stacks and takes no damage until they are gone.
While it has shield stacks, Gloomwald's Rage is immune to all damage, Arts Infliction, Arts Reactions, Vulnerability and Physical Status. Each Final Strike or skill removes exactly one stack, however hard it hits.
Do not open with the free Ultimates. An Ultimate fired into the shield removes one stack and the rest of its damage is lost. Strip the three stacks with cheap hits first: basic-attack Final Strikes and Battle Skills from your supports.
Once the shield is down, fire all four Ultimates at once. In its other fights Gloomwald's Rage gains shield stacks again while charging its big attack, so if a new shield appears here, break it with skill hits before spending burst.
Bring Heat or Physical. Gloomwald's Rage cuts Cryo, Electric and Nature to 80%.
Avoid: Opening with Ultimates into the shield, and teams that need Arts Infliction or Vulnerability stacked before the shield breaks.
A plain damage check with no stage rule: a Quillbeast (550k base HP at level 90) and a Cloud Stalker (504k). Physical is the only element both take at full damage.
There is nothing to set up, so open on the Cloud Stalker and spend Ultimates on cooldown. It has the higher ATK of the two, 3,097 against the Quillbeast's 2,478.
The Cloud Stalker cuts all four Arts elements to 80%. The Quillbeast cuts Heat and Electric to 80% and takes full Cryo and Nature.
Raw output still beats element matching here. In our team model, Ink Melt deals about 45,000 damage per second even after the Heat resistance, against about 42,000 for the Cryo team.
Default Kill Order
1. Cloud Stalker2. Quillbeast
Kill the harder-hitting Cloud Stalker first to cut incoming damage, then finish the Quillbeast.
Avoid: Electric cores. Both enemies cut Electric to 80%.
Her signature: Heat DMG +44.8%, and Basic Attack DMG +210% for 20s after her Ultimate, which is exactly when Twilight empowers her basic attacks.
Body: Hot Work Exo-Rig
Hand: Hot Work Gauntlets
EDC: Hot Work Pyrometer
EDC: Type 50 Yinglung Knife T1
Her Battle Skill and Combo keep applying Combustion, which switches on Heat DMG +50%. The Knife T1 adds All Skill DMG, which covers about 81% of her damage.
His signature: consuming Combustion makes the target take +28% Heat DMG for 15s (once every 25s), which also lifts Laevatain's damage. It is also his highest own damage of any Handcannon in his calculator; Wedge is close for his own damage, and Rational Farewell is the best 5-star.
Body: Frontiers Armor
Hand: Frontiers Fiber Gloves
EDC: Frontiers Analyzer
EDC: Aethertech Watch
The SP his Battle Skill refunds gives the whole team DMG +16%. The Watch boosts that Battle Skill, about 61% of his damage.
Her signature: consuming Corrosion with Dolly Rush makes the target take +28% Arts DMG for 25s, and its Will line raises her healing.
Body: Eternal Xiranite Armor
Hand: Eternal Xiranite Wraps
EDC: Eternal Xiranite Auxiliary Arm
EDC: Hot Work Power Cartridge
Dolly Rush applies 30s of Susceptibility, so the set's team DMG +16% stays up. Only Ardelia wears it: the effect does not stack.
The Loop
Ardelia first, while the enemy has no Arts Infliction: land a Final Strike (the last hit of a basic attack chain) so her Combo, Eruption Column, applies Corrosion, then cast Dolly Rush to turn it into Physical and Arts Susceptibility.
Si's Battle Skill applies Heat Infliction. That sets off Wulfgard's Combo, Frag Grenade β, which adds more Heat Infliction stacks.
Land a Final Strike with whoever you control. Laevatain absorbs the nearby Heat Infliction, gaining 1 Melting Flame per stack (up to 4), and the absorb fires Si's Ink Lung. Let the stacks build first for a bigger Ink Lung.
At 4 Melting Flame, cast Laevatain's Battle Skill. It applies Combustion in a large area, which fires her Combo, Seethe, and switches on her Hot Work bonus.
Now cast Wulfgard's Battle Skill. It consumes the Combustion for a big extra shot and refunds SP, which triggers his Frontiers team buff. Then go back to step 2.
Burst Window
When Ultimates are ready, fire Si's (team Heat Amp for 12s), then Laevatain's Twilight, then Wulfgard's Wolven Fury. During Twilight her basic attacks and Battle Skill are stronger and her third basic attack applies Heat Infliction; Wolven Fury forces Combustion for another big Thermite Tracers shot.
Tips
Save Wulfgard's Battle Skill for when Combustion is up. Without it, the skill only adds one Heat Infliction stack and spends shared SP; use it then only if SP is about to cap or Laevatain is one stack short.
Laevatain's absorb comes from your Final Strikes, whoever you control, not from a button on her.
Three cycles of three stages. Clearing a stage on Normal pays 100 Oroberyl, Hard pays upgrade materials, and Brutal pays a Mark of Perseverance and 5 Advanced Progression Selection Crates.
Enemies have better stats than their overworld counterparts.
Only HP Treatment tacticals and consumables can be used.
Clearing Normal, Hard and Brutal awards 1, 2 and 3 stars, for a maximum of 9 stars per cycle.
Your Final Rating for a season is your single best cycle, and the last 6 seasons are kept in Battle Review.
Note: the bonus challenge condition behind the Lustrous badge is not present in the game data tables, so any clear-time figure for it is community-reported rather than datamined.
Season and Cycle Rotation
Each season runs 3 cycles of 3 stages each. Returning stages are reused across seasons, so the number of genuinely new stages per season is smaller than the 9 slots.
Your best cycle in a season decides the title you carry. The thresholds below come straight from the rank table, so 9 stars means clearing all three stages of one cycle on Brutal.
1★
Nameless Trekker
3★
Wildlands Greenhorn
5★
Frontiers Veteran
7★
Accord Elite
9★
Band Legend
All 20 Stages
Silver Watercutter
Added in Season of Recalling
I saw a sliver of light and the flashing blade streaking through the flowing currents, yet it failed to sever its cold, heartless malice. Its grip left its taint upon your sword, and the lingering echo shrouded your form.
Mechanism Trait
No trait description ships in the data for this stage, only its parameters:
dmg_cnt = 20
damage_up = 0.5
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
Here I commit to words of beasts roaming the ruins of war, clawing and tearing at the names of nations as their rabid froth reduces staves, shields, and cannon shells into molten ferrium.
Mechanism Trait
Defeating enemies recovers 15 SP.
Battle Skill DMG Dealt +60%.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Protohedron ×15 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
I see a crossbow bolt screech across the heavens. The skirmishers trod along the very brink of reality, their features blending into the cold forms of the Æthillu.
Mechanism Trait
Enemies cannot move but are harder to interrupt.
Æthillu that can only be damaged by finishers will appear in the battlefield.
Defeating an Æthillu will pull in all enemies, recover 50 SP, and give the controlled operator DMG Dealt +100% for 10s.
Defeat all Bonekrusher Ambushers to clear the stage; defeating the Æthillu is not required.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
As I ran my fingers halfway across the carvings, the scorching rust sent jolts of pain that shot through the executioner's skin. The weapons were stained by their flesh and blood. The cycle was endless and restless, and came every year.
Mechanism Trait
No special trait. Only the standard stat boost and tactical restriction apply.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Protohedron ×15 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
I picked up bits of ferrium, fragments of thoughts and ideas once covered in etchings. The most steadfast commitment was the bullet, smashed to pieces against flesh and bone.
Mechanism Trait
No special trait. Only the standard stat boost and tactical restriction apply.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
I learned of a story that started with a warlord's wild ambitions. It led to packs of wolves devouring each other and churned the great sea of sand, till the sound of blood gushing from the broken gashes echoed in our ears.
Mechanism Trait
Defeating the Bonekrusher Vanguard grants Stagger Efficiency Bonus +50%.
Defeating the Bonekrusher Arsonist grants Arts Intensity +100.
Defeating the Bonekrusher Executioner grants Skill DMG Dealt +100%.
Defeating the Heavy Ram grants Basic Attack DMG Dealt +100%.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Protohedron ×15 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
I heard the sound of your blade scraping the bleached bones of beasts, the hissing song of honing was almost like a thunderous peal.
Mechanism Trait
The Skydrummer will not enter its Enraged state.
After entering battle, the Skydrummer gains 50 Resistance against all elements.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
Damage Types
This stage adds a flat +50 Resistance to every element on top of the enemy's own values, which is why every channel below reads 0.50. Counter-picking does nothing here.
I planned an ambush, one of mud and blood, of wounds torn open, of pain feeding great anguish.
Mechanism Trait
The battlefield has a Pain Zone. An enemy suffers DMG Taken +10% for every second within the Zone, up to a max of +150%. The debuff gradually wears off once the enemy leaves the Pain Zone.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
I prepared an assassination, where strength is fully charged once the axe is raised high overhead.
Mechanism Trait
Enemies only use charged skills, and are immune to battle skill DMG when charging up their skills. The enemy's charged skills cannot be interrupted by battle skills.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅰ ×5
FILE 01: Taken from a beast claw fragment acquired in the ruins. We have temporarily attributed the beast's aggression to either the Ætherside or its own predatory instincts.
Mechanism Trait
The Blitzcrash Blightshade will not enter its Enraged state.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅱ ×5
FILE 22: Taken from the personal weaponry of a YSTF member. The blade has over 20 notches, most of which resonated with defensive operations and assault missions.
Mechanism Trait
After the battle begins, operators' starting SP and Max SP are increased to 700.
All SP recovery and regeneration -50%.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Protohedron ×15 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅱ ×5
FILE 07: Taken from a roughly-made Bonekrusher weapon salvaged from a site of internecine battle between rival clan members. It presents a solid proof of internal conflicts and blood feuds.
Mechanism Trait
The entire team's Arts Intensity +100%.
Operators enter battle with max Ultimate Energy.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅱ ×5
Physical is cut to 80% by the Bonekrusher Siegeknuckles.
Cryo is cut to 80% by the Bonekrusher Siegeknuckles.
Electric is cut to 80% by the Bonekrusher Siegeknuckles.
Nature is cut to 80% by the Bonekrusher Siegeknuckles.
Runs at full damage: Heat.
What This Stage Rewards
You open with a free Ultimate and the whole team gets +100% Arts Intensity, so Arts teams that put their damage into the Ultimate get the most from it.
FILE 19: Taken from a beast cage in Qingbo Stockade. The enclosure has been forged from broken weaponry. Before the builders of Qingbo Stockade could tame the beasts, they must first defeat the wildlife.
Mechanism Trait
After defeating the Cloud Stalker, +1 to the stacks of Arts Infliction / Vulnerability applied.
After defeating the Quillbeast, +1 to the Status Level of Arts Reactions / Crush / Breach applied.
After defeating Heavy Sting α, immediately recover +25 SP when consuming Arts Infliction / Vulnerability stacks.
Defeating any set of enemies grants HP +50% to the remaining enemies.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Protohedron ×15 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅱ ×5
Each kill grants a buff (Cloud Stalker: +1 Infliction/Vulnerability stacks, Quillbeast: +1 status level, Heavy Sting α: SP on consuming stacks) but gives the survivors +50% HP, so pick the kill order that feeds your team.
FILE 50: Taken from a small carving knife. The creator of the woodcrafts sculpted the heart of the woods with gentleness, giving them the ability to guard the forest even till this day.
Mechanism Trait
Operators enter battle with max Ultimate Energy.
Gloomwald's Rage starts with 3 shield stack(s).
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Advanced Cognitive Carrier ×6 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅱ ×5
Gloomwald's Rage is immune to all damage until three Final Strikes or skills strip its shield stacks, so break the shield with cheap hits and save the free Ultimates for the open boss.
FILE 99: Taken from a shattered shield with the structural simplicity on par with that of an insect carapace. The specimen has received plenty of welding, creating a roaring echo of war.
Mechanism Trait
No special trait. Only the standard stat boost and tactical restriction apply.
Difficulties
Difficulty
Enemy Lv
Stars
Rewards
Normal
60
★
Oroberyl ×100 · T-Creds ×25,000
Hard
75
★★
Protohedron ×15 · T-Creds ×25,000
Brutal
90
★★★
Mark of Perseverance ×1 · Advanced Progression Selection Crate Ⅱ ×5
The 36 enemies Echoes of War draws from, with HP and ATK at each of the three difficulty levels and their damage-taken multiplier per element. Full profiles live in the enemy database.
Read the element columns as damage taken: 1.00 is full damage and lower means the enemy takes less, so 0.50 Heat is a 50% cut. Nothing in this game's data goes above 1.00, so there are no elemental weaknesses to exploit, only resistances to avoid. Aether is omitted because it is 1.00 on every enemy in the database and no operator deals it.
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