Stygian Onslaught: Battle of the Howling Cyclone
Last updated 2026-09-10
Stygian Onslaught is an Event in Version "Luna VII."
Event Details
Duration
- Event Duration: 2026/05/27 10:00 - 2026/06/30 03:59
- Disturbance Outbreak: 2026/05/27 10:00 - 2026/06/06 03:59
Requirements
- Adventure Rank 20 or above
- Complete Archon Quest Prologue: Act III "Song of the Dragon and Freedom"
- Complete Archon Quest "Perilous Trail" first to get the best experience from this event.
Summary
- In this round of Stygian Onslaught, Traveler will face the following opponents and mechanics:
Battlefield 1 
Battle-Hardened Glacial Wolf
- Advantage:
/
Reaction - Advantage:
/
Reaction
Battlefield 2 
Hydro Tulpa
- Advantage:
Elemental Character
Battlefield 3 
The Open-Eyed
- Advantage:
/
Reaction - Advantage:
/
Reaction
- Advantage:
- Complete challenge objectives of different difficulties to obtain Primogems, the Artifact material "Dust of Enlightenment", and other rewards.
- Challenge gameplay: You must select a difficulty first. After you enter a challenge, you must complete 3 phases, for a total of 3 time-limited battles. The challenge is considered complete once all opponents in all 3 battles are beaten.
- Difficulty: difficulty levels in ascending order are "Normal," "Advancing," "Hard," "Menacing," "Fearless," and "Dire."
- The higher the initial difficulty selected, the more restrictive the rules applied during the challenge, and the tougher enemies will be.
- From the "Hard" difficulty onward, you can only unlock the next difficulty by clearing the current one.
- "Exalted Ones": There can be a maximum of 16 "Exalted Ones" at any one time during the challenge.
- "Exalted Ones" will obtain buff effects; adding them to your party will help you complete the challenge.
- There can be a maximum of 16 "Exalted Ones" at any one time during the challenge, and their number is subject to change.
- Under the "Dire" difficulty, "Exalted Ones" no longer obtain buff effects.
- Disturbance Outbreak: In the first 10 days from when the challenge is available, the Ley Line disturbance will be in an "Outbreak" state.
- During the Disturbance Outbreak, players with Adventure Rank 45 and above can challenge stages at "Hard" difficulty onwards, and upon completing them, can consume Resin to earn the rewards from their chosen Domains of Blessing, while also accumulating Dire Prestige.
- Accumulate a certain amount of Dire Prestige to receive extra Artifact rewards and Dust of Enlightenment.
- After the Disturbance Outbreak ends, players will not be able to consume Resins to claim rewards from their selected Domain of Blessing.
- Completing a more difficult challenge will also let you obtain the rewards from the difficulties below that one.
- Rewards for "Fearless" and "Dire" difficulties can only be claimed upon completing the single-player challenge.
- Co-Op Mode: All difficulty levels support Co-Op Mode of up to 4 players.
- "Normal," "Advancing," and "Hard" difficulties support matchmaking or Co-Op Mode within the same world.
- "Menacing," "Fearless," and "Dire" difficulties only support Co-Op challenges within the same world.
Challenges
Normal
- Challenge Objectives
- Defeat powerful foes on 3 battlefields
- Ley Line Disturbance
- Exalted Ones will receive an Eminent Boon
- Opposing Lineup
| Enemy | Descriptions |
|---|---|
During the combat, the powerful opponent will summon an "Ancestral Wolf Spirit" to fight by its side. While blessed by the spirit, the opponent's all Elemental and Physical RES are significantly increased. As a spiritual entity, the "Ancestral Wolf Spirit" is protected by a special Cryo Ward that can only be broken by Pyro or Electro Swirl Reactions. Once the Ward is shattered, the spirit will vanish, leaving the opponent temporarily paralyzed. | |
1 Half-Tulpa will emerge during the challenge at intervals. After some time, the Hydro Tulpa will absorb Half-Tulpas to enhance itself: It will grow larger, its ATK will increase, and it will launch more dangerous attacks. | |
During combat, the Open-Eyed will enter the "Supreme Overseer" state. While in this state, it tracks the number of times it takes Pyro/Hydro/Electro/Cryo damage. When the number of hits from any one element reaches 3, it will exit this state and record that element as a monitored target. If no element is successfully monitored, the record will remain empty, and it will instead deal a single instance of Geo DMG. After the first monitoring state ends, the enemy will re-enter this state again after a set interval. During the second monitoring phase, elements that have already been recorded will require a significantly higher number of hits to be monitored again.
After completing two rounds of Elemental Monitoring, the Open-Eyed will take to the air and begin preparing "Phenomena's Delirium." It will release the previously recorded elements and summon two corresponding Active Elemental Stars. If no elements were recorded, it will instead summon Inert Elemental Stars with high resistance to all elements and Physical DMG. When an Active Elemental Star is destroyed, it deals a large amount of damage to the enemy based on the recorded element. If an Inert Elemental Star is destroyed, it instead deals Geo DMG to the enemy. Destroy all Elemental Stars to interrupt the preparation of "Phenomena's Delirium." If both stars are not destroyed within the time limit, they will explode, dealing massive AoE damage. |
Advancing
- Challenge Objectives
- Defeat powerful foes on 3 battlefields
- Ley Line Disturbance
- Exalted Ones will receive an Eminent Boon
- Opposing Lineup
| Enemy | Descriptions |
|---|---|
During the combat, the powerful opponent will summon an "Ancestral Wolf Spirit" to fight by its side. While blessed by the spirit, the opponent's all Elemental and Physical RES are significantly increased. As a spiritual entity, the "Ancestral Wolf Spirit" is protected by a special Cryo Ward that can only be broken by Pyro or Electro Swirl Reactions. Once the Ward is shattered, the spirit will vanish, leaving the opponent temporarily paralyzed. | |
1 Half-Tulpa will emerge during the challenge at intervals. After some time, the Hydro Tulpa will absorb Half-Tulpas to enhance itself: It will grow larger, its ATK will increase, and it will launch more dangerous attacks. | |
During combat, the Open-Eyed will enter the "Supreme Overseer" state. While in this state, it tracks the number of times it takes Pyro/Hydro/Electro/Cryo damage. When the number of hits from any one element reaches 3, it will exit this state and record that element as a monitored target. If no element is successfully monitored, the record will remain empty, and it will instead deal a single instance of Geo DMG. After the first monitoring state ends, the enemy will re-enter this state again after a set interval. During the second monitoring phase, elements that have already been recorded will require a significantly higher number of hits to be monitored again.
After completing two rounds of Elemental Monitoring, the Open-Eyed will take to the air and begin preparing "Phenomena's Delirium." It will release the previously recorded elements and summon two corresponding Active Elemental Stars. If no elements were recorded, it will instead summon Inert Elemental Stars with high resistance to all elements and Physical DMG. When an Active Elemental Star is destroyed, it deals a large amount of damage to the enemy based on the recorded element. If an Inert Elemental Star is destroyed, it instead deals Geo DMG to the enemy. Destroy all Elemental Stars to interrupt the preparation of "Phenomena's Delirium." If both stars are not destroyed within the time limit, they will explode, dealing massive AoE damage. |
Hard
- Challenge Objectives
- Defeat powerful foes on 3 battlefields
- Ley Line Disturbance
- Exalted Ones will receive an Eminent Boon
- During the Disturbance Outbreak, you can complete battles to claim special rewards
- Opposing Lineup
| Enemy | Descriptions |
|---|---|
During the combat, the powerful opponent will summon an "Ancestral Wolf Spirit" to fight by its side. While blessed by the spirit, the opponent's all Elemental and Physical RES are significantly increased. As a spiritual entity, the "Ancestral Wolf Spirit" is protected by a special Cryo Ward that can only be broken by Pyro or Electro Swirl Reactions. Once the Ward is shattered, the spirit will vanish, leaving the opponent temporarily paralyzed. | |
1 Half-Tulpa will emerge during the challenge at intervals. After some time, the Hydro Tulpa will absorb Half-Tulpas to enhance itself: It will grow larger, its ATK will increase, and it will launch more dangerous attacks. | |
During combat, the Open-Eyed will enter the "Supreme Overseer" state. While in this state, it tracks the number of times it takes Pyro/Hydro/Electro/Cryo damage. When the number of hits from any one element reaches 3, it will exit this state and record that element as a monitored target. If no element is successfully monitored, the record will remain empty, and it will instead deal a single instance of Geo DMG. After the first monitoring state ends, the enemy will re-enter this state again after a set interval. During the second monitoring phase, elements that have already been recorded will require a significantly higher number of hits to be monitored again.
After completing two rounds of Elemental Monitoring, the Open-Eyed will take to the air and begin preparing "Phenomena's Delirium." It will release the previously recorded elements and summon two corresponding Active Elemental Stars. If no elements were recorded, it will instead summon Inert Elemental Stars with high resistance to all elements and Physical DMG. When an Active Elemental Star is destroyed, it deals a large amount of damage to the enemy based on the recorded element. If an Inert Elemental Star is destroyed, it instead deals Geo DMG to the enemy. Destroy all Elemental Stars to interrupt the preparation of "Phenomena's Delirium." If both stars are not destroyed within the time limit, they will explode, dealing massive AoE damage. |
Menacing
- Challenge Objectives
- Defeat powerful foes on 3 battlefields
- Ley Line Disturbance
- Affected by the Ley Line Disturbance, characters cannot be deployed multiple times
- Exalted Ones will receive an Eminent Boon
- During the Disturbance Outbreak, you can complete battles to claim special rewards
- Opposing Lineup
| Enemy | Descriptions |
|---|---|
At the start of the combat, the powerful opponent will summon an "Ancestral Wolf Spirit" to fight by its side. While blessed by the spirit, the opponent's all Elemental and Physical RES are significantly increased. As a spiritual entity, the "Ancestral Wolf Spirit" is protected by a special Cryo Ward that can only be broken by Pyro or Electro Swirl Reactions. Once the Ward is shattered, the spirit will vanish, leaving the opponent temporarily paralyzed. | |
1 Half-Tulpa will emerge during the challenge at intervals. After some time, the Hydro Tulpa will absorb Half-Tulpas to enhance itself: It will grow larger, its ATK will increase, and it will launch more dangerous attacks. | |
When combat begins, the Open-Eyed will enter the "Supreme Overseer" state. While in this state, it tracks the number of times it takes Pyro/Hydro/Electro/Cryo damage. When the number of hits from any one element reaches 3, it will exit this state and record that element as a monitored target. If no element is successfully monitored, the record will remain empty, and it will instead deal a single instance of Geo DMG. After the first monitoring state ends, the enemy will re-enter this state after a set interval. During the second monitoring phase, elements that have already been recorded will require a greater number of hits to be monitored again.
After completing two rounds of Elemental Monitoring, the Open-Eyed will take to the air and begin preparing "Phenomena's Delirium." It will release the previously recorded elements and summon two corresponding Active Elemental Stars. If no elements were recorded, it will instead summon Inert Elemental Stars with high resistance to all elements and Physical DMG. If the enemy summons two Active Elemental Stars of different elements, both stars will become easier to destroy. When an Active Elemental Star is destroyed, it deals a large amount of damage to the enemy based on the recorded element. If an Inert Elemental Star is destroyed, it instead deals Geo DMG to the enemy. Destroy all Elemental Stars to interrupt the preparation of "Phenomena's Delirium." If both stars are not destroyed within the time limit, they will explode, dealing massive AoE damage. |
Fearless
- Challenge Objectives
- Defeat powerful foes on 3 battlefields
- Ley Line Disturbance
- Opponents are affected by the Ley Line Disturbance and are greatly enhanced
- Affected by the Ley Line Disturbance, characters cannot be deployed multiple times
- Exalted Ones will receive an Eminent Boon
- During the Disturbance Outbreak, you can complete battles to claim special rewards
- Opposing Lineup
| Enemy | Descriptions |
|---|---|
At the start of the combat, the powerful opponent will summon an "Ancestral Wolf Spirit" to fight by its side. Affected by the Ley Line disturbances, the opponent is invulnerable to all DMG while blessed by the spirit. As a spiritual entity, the "Ancestral Wolf Spirit" is protected by a special Cryo Ward that can only be broken by Pyro or Electro Swirl Reactions. Once the Ward is shattered, the spirit will vanish, leaving the opponent temporarily paralyzed and dealing massive backlash DMG. The more DMG the Ward absorbs while it is active, the greater the backlash DMG will be; furthermore, Pyro and Anemo DMG will further increase this backlash DMG. | |
Affected by the Ley Line disturbance, 2 Half-Tulpas will emerge during the challenge at intervals. After some time, the Hydro Tulpa will absorb Half-Tulpas to enhance itself: It will heal a large amount of HP and grow larger, its ATK will increase, and it will launch more dangerous attacks.
Affected by the Ley Line disturbance, the Hydro Tulpa will deploy a Shield during the challenge and enter a charging state as it prepares to launch Torrential Flurry. If it is successfully unleashed, your current active character will be immediately defeated. | |
When combat begins, the Open-Eyed will enter the "Oversight of Vigil" state. While in this state, it tracks the number of times it takes Pyro/Hydro/Electro/Cryo DMG. When the number of hits from any one element reaches 5, it will exit this state and record that element as a monitored target. If no element is successfully monitored, the record will remain empty, and it will instead deal a single instance of Geo DMG. After the first "Oversight of Vigil" ends, the enemy will re-enter this state again after a set interval. Due to the effects of the Ley Line Disturbance, the second monitoring phase lasts longer, and elements that have already been recorded will require a significantly higher number of hits to be monitored again. Due to the effects of the Ley Line Disturbance, the Open-Eyed will have increased Elemental and Physical RES during "Oversight of Vigil."
After completing two rounds of Elemental Monitoring, the Open-Eyed will take to the air and begin preparing "Phenomena's Delirium." It will release the previously recorded elements and summon two corresponding Active Elemental Stars. If no elements were recorded, it will instead summon Inert Elemental Stars with high resistance to all elements and Physical DMG. If the enemy summons two Active Elemental Stars of different elements, both stars will become easier to destroy. When an Active Elemental Star is destroyed, it deals a large amount of damage to the enemy based on the recorded element. If an Inert Elemental Star is destroyed, it instead deals Geo DMG to the enemy. Destroy all Elemental Stars to interrupt the preparation of "Phenomena's Delirium." If both stars are not destroyed within the time limit, they will explode, dealing massive AoE damage. |
Dire
- Challenge Objectives
- Defeat powerful foes on 3 battlefields
- Ley Line Disturbance
- A powerful opponent has re-emerged from the Ley Lines, and the battle is sure to be very difficult
- Affected by the Ley Line Disturbance, characters cannot be deployed multiple times
- You have reached the final defensive line of the Domain. The level of disturbance here is at its highest, interfering with even the Exalted Ones and rendering their Eminent Boons ineffective. After completing the current challenge in Single-Player Mode, characters in your party will be granted Eminence or Enduring Eminence based on your performance.
- During the Disturbance Outbreak, you can complete battles to claim special rewards
- Opposing Lineup
| Enemy | Descriptions |
|---|---|
At the start of the combat, the powerful opponent will summon an "Ancestral Wolf Spirit" to fight by its side. Affected by the Ley Line disturbances, the opponent is invulnerable to all DMG while blessed by the spirit. As a spiritual entity, the "Ancestral Wolf Spirit" is protected by a special Cryo Ward that can only be broken by Pyro or Electro Swirl Reactions. Once the Ward is shattered, the spirit will vanish, leaving the opponent temporarily paralyzed and dealing massive backlash DMG. The more DMG the Ward absorbs while it is active, the greater the backlash DMG will be; furthermore, Pyro and Anemo DMG will further increase this backlash DMG. | |
Affected by the Ley Line disturbance, 2 Half-Tulpas will emerge during the challenge at intervals. After some time, the Hydro Tulpa will absorb Half-Tulpas to enhance itself: It will heal a large amount of HP and grow larger, its ATK will increase, and it will launch more dangerous attacks.
Affected by the Ley Line disturbance, the Hydro Tulpa will deploy a Shield during the challenge and enter a charging state as it prepares to launch Torrential Flurry. If it is successfully unleashed, your current active character will be immediately defeated. | |
When combat begins, the Open-Eyed will enter the "Oversight of Vigil" state. While in this state, it tracks the number of times it takes Pyro/Hydro/Electro/Cryo DMG. When the number of hits from any one element reaches 5, it will exit this state and record that element as a monitored target. If no element is successfully monitored, the record will remain empty, and it will instead deal a single instance of Geo DMG. After the first "Oversight of Vigil" ends, the enemy will re-enter this state again after a set interval. Due to the effects of the Ley Line Disturbance, the second monitoring phase lasts longer, and elements that have already been recorded will require a significantly higher number of hits to be monitored again. Due to the effects of the Ley Line Disturbance, the Open-Eyed will have increased Elemental and Physical RES during "Oversight of Vigil."
After completing two rounds of Elemental Monitoring, the Open-Eyed will take to the air and begin preparing "Phenomena's Delirium." It will release the previously recorded elements and summon two corresponding Active Elemental Stars. If no elements were recorded, it will instead summon Inert Elemental Stars with high resistance to all elements and Physical DMG. If the enemy summons two Active Elemental Stars of different elements, both stars will become easier to destroy. When an Active Elemental Star is destroyed, it deals a large amount of damage to the enemy based on the recorded element. If an Inert Elemental Star is destroyed, it instead deals Geo DMG to the enemy. Destroy all Elemental Stars to interrupt the preparation of "Phenomena's Delirium." If both stars are not destroyed within the time limit, they will explode, dealing massive AoE damage. |
Descriptions
Within the memories of the Ley Lines, it remains unyielding, standing proud against even the most formidable of foes.
Twisted by the turbulence of the Ley Lines, its former steadfastness has devolved into a morbid territorial obsession. Now, it mindlessly tears apart any stranger who dares set foot upon this soil.
In the wake of the Ley Lines' chaotic surging, the memories of its ancestors have been warped into a horrific curse. A frigid hatred now permeates its very being, ruthlessly driving the beast to tear asunder anything, and everything within its sight.
Countless wills dissolved in the water, which, like the universe, was full of souls that wished to be born.
The perilous undercurrents within the shattered memories of the Ley Lines now come forth in their fullness...
Countless wills dissolved in the water, which, like the universe, was full of souls that wished to be born.
The storm that churns like a furious ocean within the warped narratives of the Ley Lines now manifests in full...
Countless wills dissolved in the water, which, like the universe, was full of souls that wished to be born.
Suffering and hatred, suffused into those waters, intersected to warp what was once human shape amidst the inchoate chaos of the Ley Lines. The tragic dissolution is soon to repeat itself...
Affected by the Ley Line disturbance, its corrupted essence has been catalyzed into a state of relentless, escalating aggression.
Warped by the Ley Line's distortion, it has devolved into a mindless, obsessive beast. It greedily seizes every scrap of information within its sight, only to utterly deconstruct it into nothingness.
Under the onslaught of turbulent Ley Lines and a chaotic flood of corrupted information, its once-arrogant nature has warped into pure destructive impulse, driving it to annihilate everything within its sight.
Gallery
Total Rewards
450 Primogem
500,000 Mora
25 Hero's WitBattle Pass Missions
This event added additional "This BP Period" Battle Pass missions to the Homecoming Chronicle Battle Pass. The Battle Pass EXP (BP EXP) obtained from these missions do not count towards the weekly experience limit of 10,000 BP EXP.
| Missions | |
|---|---|
| [Event] Accumulate a total of 1,200 Dire Prestige in the "Stygian Onslaught" event | 1,500 |
Other Languages
| Language | Official Name | Literal Meaning |
|---|---|---|
| English | Stygian Onslaught: Battle of the Howling Cyclone | — |
| Chinese (Simplified) | 幽境危战・啸卷之役 | |
| Chinese (Traditional) | 幽境危戰・嘯捲之役 | |
| Japanese | 幽境の激戦・烈風の戦い | |
| Korean | 지맥 제압전・폭풍 공세 Jimaek Jeapjeon - Pokpung Gongse | |
| Spanish | Conflagración estigia: Campaña aullahuracán | |
| French | Carnage chtonien·Bataille du cyclone hurlant | Stygian Onslaught Tooltip for Stygian Onslaughtⓘ·Battle of the Howling Cyclone |
| Russian | Мрачный натиск: Битва бушующего циклона Mrachnyy natisk: Bitva bushuyushchego tsiklona | |
| Thai | ศึกเดือดแดนเร้นลับ: ยุทธการสลาตัน | |
| Vietnamese | Ảo Cảnh Hiểm Ác: Trận Chiến Gió Hú | |
| German | Düsterer Ansturm – Schlacht der heulenden Zyklone | |
| Indonesian | Stygian Onslaught: Battle of the Howling Cyclone | — |
| Portuguese | Confronto Abissal: Conflito Impetuoso | |
| Turkish | Kasvetli Taarruz: Uğuldayan Tufan Savaşı | |
| Italian | Battaglia nel regno oscuro: Battaglia del ciclone ululante |





