Rein Back! Migration Mayhem! Solutions and Guides
★ Version 3.1 → Phase 2 Pull Strategy
┣ Luuk Herssen: Builds, Asc. Materials, Sig. Weapon
┣ Rerun: Gabrena Build, Asc. Materials, Sig. Weapon
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★ Exclusives: Tier List Maker | State of the Meta
Rein Back! Migration Mayhem! is an event in Wuthering Waves 3.1. See how to play, how to unlock Rein Back! Migration Mayhem!, event schedule, and all available rewards here!
List of Contents
All Rein Back! Migration Mayhem Solutions
| Jump to a Stage Here! | ||
|---|---|---|
| Mayhem I | Mayhem II | Mayhem III |
| Mayhem IV | Mayhem V | Mayhem VI |
| Mayhem VII | ||
Migration Mayhem 1
Normal
| The first stage of the event is simple, with just one Exoswarm to keep track of. Block all of its exits to complete the stage, ensuring that you cover the ones that it's moving towards first. |
Hard
| This stage includes two Exoswarm that will move alternatingly. Pay attention to what direction each is heading in during its turn, and block it off when it stops moving. |
Migration Mayhem 2
Normal
| This stage features 1 Exoswarm that you need to trap. Prevent it from escaping by focusing on the northern exits first before closing off the remaining ones. |
Hard
| This stage includes two Exoswarm that will move alternatingly, with the purple one heading north while the orange one moving south. Exoswarms are guaranteed to move to the nearest exit, so you can utilize turns efficiently by not automatically putting blockades until it's the nearby Exoswarm's turn to move. |
Migration Mayhem 3
Normal
| This stage introduces Exoswarm traps, also known as Containment Units. When the Exoswarm steps on it, you'll be able to move an extra turn. Utilize this to your advantage when blocking routes. |
Hard
| This stage involves two Exoswarm enemies roaming around the grid. They will be moving alternately and there will be traps on the floor. Lead enemies to them and use the extra time to block off large exits. |
Migration Mayhem 4
Normal
| This stage starts off with the enemy located near the left exits. Try to lead it towards the left trap and use the additional turn to box it in the small area. |
Hard
| This stage includes two Exoswarm enemies and a couple of traps on the floor. Both Exoswarm units will be situated around the lower section of the grid, so focus on closing them off first while making use of the traps. |
Migration Mayhem 5
Normal
| This stage introduces a new mechanic known as Ice Walls. These act as temporary obstacles that disappear after a set number of turns. Complete the puzzle by waiting for the enemy to come near the exits before closing them for it to waste turns. |
Hard
| In this stage, there will be two Exoswarms moving in alternate turns. Complete the challenge by blocking an Exoswarm's exit while it's the other unit's turn to move. |
Migration Mayhem 6
Normal
| This stage combines all the mechanics of the past Migration Mayhem stages, use them wisely to place the sufficient number of Shepherd's Staff around the Exoswarm. |
Hard
| Two Exoswarm will be trying to escape the zone this time but you will have to use your knowledge of past Mayhem stages to block specific routes and eliminate their chances of escape. |
Migration Mayhem 7
Normal
| The final stage of the Migration Mayhem event features a mostly empty map, with disappearing ice walls to further complicate things. Focus on blocking off the lower section first, and use the trap to stall for more turns. |
Hard
| For the Hard version, both the Exoswarm will walk into the traps so long as you don't place a Staff directly next to them. Start by walling off the top and bottom borders, but leave a free space to bait either Exoswarm towards that you can easily seal up later. Then, continue to block off their escape. |
How to Play Rein Back! Migration Mayhem!
| Rein Back! Migration Mayhem! Event Guide |
|---|
|
|
Prevent the Exoswarm From Escaping
Each stage of Rein Back! Migration Mayhem! will start with at least one Exoswarm creature on a hexagonal grid. The Exoswarm will hop from grid to another every turn, and you must prevent them from escaping the board.
If any Exoswarm manages to escape the board by reaching the edge, you must try again!
Use Shepherd's Staff to Trap Exoswarm
You can place one Shepherd's Staff on a grid per turn to prevent the Exoswarm from escaping! Once all escape routes have been blocked by the Shepherd's Staff, the stage will be complete.
Note that placing a Shepherd's Staff on a tile near an Exoswarm can frighten them, making it ideal to place them on tiles that are further away first.
Predict the Exoswarm's Movement
In order to clear the stage, you must study the Exoswarm's movements and place the Shepherd's Staff where the Exoswarm may possibly go.
Glowing Grids Show the Exoswarm's Turn
Some stages will have more than one Exoswarm. In such cases, the hexagon of the Exoswarm that will move next is going to glow blue. Use this info to prioritize blocking off exits that are closer to the moving Exoswarm.
Utilize Items on the Grid
Keep an eye out for items on the board and utilize them at the right moment. Some items can stun the Exoswarm for one turn, giving you a chance to block off more exits with the Shepherd's Staff!
New Stages Unlock Everyday
New stages will unlock daily, until all stages of the event are available. Each stage has a Regular and Hard mode, each with their own solutions.
Rein Back! Migration Mayhem! Event Information
Event Duration and How to Unlock
| Event Start | February 19, 2026 |
|---|---|
| Event End | March 3, 2026 |
| How to Unlock | Reach Union Level 14 and activate the Resonance Nexus of Startorch Academy during Main Quest Chapter III Act I: What Burns Beneath Frostlands to unlock |
Rein Back! Migration Mayhem! Rewards
 Attention! |
This section is still a work-in-progress as more stages unlock daily. Additional details will be added here soon! Sign in and select  under the page's title to be notified of any updates! |
|---|
Rewards By Stage
| Stage | Rewards |
|---|---|
| 1 |
Normal:  Astrite
x60 Shell Credit
x40000 |
|
Hard: |
|
| 2 |
Normal: Astrite
x60 Shell Credit
x40000 |
|
Hard: |
|
| 3 |
Normal: Astrite
x60 Shell Credit
x40000 |
|
Hard: |
|
| 4 |
Normal: Astrite
x60 Shell Credit
x40000 |
|
Hard: |
|
| 5 |
Normal: Astrite
x60 Shell Credit
x40000 |
|
Hard: |
Premium Resonance Potion
Forgery Advanced Supply - Lahai-Roi
Advanced Enclosure Tank - Lahai-Roi
Premium Energy Core
Premium Sealed TubeWuthering Waves Related Guides
Current Events
| All Events and End Dates | |
|---|---|
 Starpaths Intertwined
Permanent |
 Ascendant Aces
March 18, 2026 |
 Bountiful Crescendo
February 26, 2026 |
Rein Back! Migration Mayhem!
March 3, 2026 |
 Where Stars Cascade Down
March 18, 2026 |
 Unfrozen Traces
March 18, 2026 |
 Full Throttle! Bolt & Blitz!
March 18, 2026 |
 Gift of Soft Snow
March 18, 2026 |
 TERM-X Outreach
March 18, 2026 |
 Moonlit Path
March 18, 2026 |
 Unsigned Good Wishes
March 19, 2026 |
 Footprints on Frostlands
Permanent |
 Startorch for You
Permanent | |
Upcoming Events
| Upcoming Events | Date and Summary |
|---|---|
 Chord Cleansing
|
March 11, 2026 - March 18, 2026 Earn double echo and echo leveling material drops during this event! |
 Blade Hunter: Wilderness
|
February 26, 2026 - March 16, 2026 Defeat increasingly stronger foes inside a Sonoro Sphere to earn rewards in this event! |
 Veins of the Frostlands
|
February 26, 2026 - March 12, 2026 Join this web event to obtain rewards such as Astrites and more! |
 Lollo Campaign: Implementation
|
March 5, 2026 - March 18, 2026 Earn Lollo Stamps daily and spin the roulette in exchange for rewards! |
Permanent Events
| Event Guide | Date and Rewards |
|---|---|
| Gifts of Thawing Frost |
Permanently Available
Lustrous Tides, Radiant Tides, Free Sanhua |
| Awakening Journey |
Permanently Available
Lustrous Tides, Astrites, Crystal Solvent, Rank 5 Weapon Supply Chest: Winter Blume |
| Rumbling Hollows |
Permanently Available
Shell Credit, Premium Energy Cores, Premium Resonance Potions, Free Yuanwu |
| Depths of Illusive Realm |
Permanently Available
Astrite, Premium Tuners, Phantom: Impermanence Heron |
| Voyage's Beginning |
Permanently Available
Astrites, Lustrous Tides, Resonators |
| Echo Hunters |
Permanently Available
Astrites |
| Somnium Labyrinth |
Permanently Available
Astrites, Premium Tuners, Premium Energy Cores, Shell Credits, Malleable Elite Class Echo |
| Tales of the Isles |
Permanently Available
Astrites, Forgery Premium Supply, Premium Tuners, Premium Energy Cores, Premium Resonance Potions, Shell Credits |
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