Breaking Butterfly is the latest story expansion in Girls’ Frontline 2, featuring a major narrative update for Lainie.
Use the sections below to navigate the new mechanics and maximize your rewards.
Breaking Butterfly | Event Video
Breaking Butterfly | Event Overview
Access daily tasks, the shop, and story modes here.
The Breaking Butterfly event is active now. Based on the current interface, the main modes close on April 22, 2026. The Data Consolidation shop stays open until April 29, 2026. You need to reach Commander Level 20 to participate.
Until Event Ends
Breaking Butterfly | Mechanics
Complete Cracks In The Mirror stages for currency.
Virtual Anniversary
This tracks your event milestones. Clearing missions and participating in activities earns points to unlock tiered rewards. Check this screen often to claim resources and see your progress.
Log in consecutive days to earn collapse pieces.
Mirrorborn
Daily logins provide specific rewards. Claim a free supply ticket with 80 collapse pieces every day for seven days. This totals 560 collapse pieces and 7 supply tickets for your farm.
Check purchase limits for skins and permissions.
Data Consolidation
This is where you spend earned currency. Inventory is limited with strict purchase caps. Buy your weapon skins and high-tier growth materials before the shop closes on April 29.
Mission Types
Advance through the Breaking Butterfly narrative.
Story Missions
These unlock in order and are the main progression path. Clear the stages quickly to open the rest of the event. Earning full stars provides extra rewards beyond the standard clear.
Complete LF-1 stages efficiently for maximum points.
Supply Missions
These are farming stages for event currency. They are limited to three runs per day. Complete these as mandatory daily tasks to make sure you have enough currency for the shop.
Challenge Mode
This mode arrives on April 9. It features high-difficulty encounters for fully built squads. Clear these for premium rewards.
Event Shop (Data Consolidation)
| Item | Quantity | Cost |
|---|---|---|
| Skin – Shard Butterfly | 1 | 2400 |
| Attachment Skin – Butterfly Sight | 1 | 800 |
| Attachment Skin – Butterfly Underbarrel | 1 | 800 |
| Basic Info Core (x1) | 6 | 600 |
| Collapse Piece (x100) | 6 | 200 |
| Targeting Calibration Chip x1 | 6 | 500 |
| Top Growth Data Pack (x1) | 1 | 3000 |
| Advanced Growth Data Pack (x1) | 2 | 1500 |
| Targeted Access Permission (x1) | 3 | 300 |
| Access Permission (x1) | 3 | 300 |
| Common Key – Familiar Stranger | 1 | 1000 |
| Common Key – Imitation Cloud | 1 | 200 |
| Special Gift – Lainie (x1) | 20 | 100 |
| Universal Chain Key (x6) | 15 | 200 |
| Next-Generation Memory Stick (x1) | 20 | 100 |
| Precise Grade Attachment Supply Box (x1) | 20 | 200 |
| Transcription Conductor I (x5) | 6 | 60 |
| Transcription Conductor II (x5) | 6 | 60 |
| Transcription Conductor III (x5) | 6 | 120 |
| Transcription Conductor IV (x5) | 6 | 150 |
| Transcription Conductor V (x5) | 6 | 250 |
| Transcription Conductor VI (x5) | 6 | 300 |
| Analysis Blueprint (x10,000) | ? | 200 |
| Combat Report (x5,000) | ? | 200 |
| Sardis Gold (x12,000) | 20 | 450 |
Not every item in the Data Consolidation has the same value. Use this priority list to avoid extra grinding.
Recommended Priority Order
High Priority (Buy These First)
- Permissions: Targeted and Access Permissions for gacha pulls.
- Event Exclusives: Weapon skins and Common Keys.
- High-End Materials: Collapse Piece x100, Targeting Calibration Chips, and Basic Info Cores.
- Growth Packs: Top and Advanced Growth Data Packs.
- Gifts: Special Gift: Lainie and Next-Generation Memory Sticks.
Medium Priority
- Utility: Universal Chain Keys and Transcription Conductors.
- Currency: Sardis Gold if you are low on funds for upgrades.
- Fillers: Extra Memory Sticks.
Low Priority
- Common Mats: Analysis Blueprints and Combat Reports. Only buy these if you have excess currency after clearing the tiers above.
Breaking Butterfly | Hidden Supply Location
Breaking Butterfly contains a hidden supply location in LA-1-7 that contains a free regular banner ticket. Below is a video by Nitrogen on how and where to get it.
Breaking Butterfly | Challenge Mode Guide
Video walkthroughs for Challenge Mode are provided by Defh
Watch all Challenge Mode guides on Nitrogen’s YouTube channel.
Challenge Mode – Stage 1
Stage 1 introduces the Challenge Mode rule set and turn constraints, focusing on basic execution and efficient early positioning.
Challenge Mode – Stage 2
Stage 2 increases enemy pressure and action requirements, making turn efficiency and route planning more important.
Challenge Mode – Stage 3
Stage 3 tightens the margin for error, rewarding precise action sequencing and smart positioning to meet the turn limit.
Challenge Mode – Stage 4
Stage 4 demands careful planning, as inefficient actions can quickly put a clear out of reach.
Challenge Mode – Stage 5
Stage 4 demands careful planning, as inefficient actions can quickly put a clear out of reach.
Tips & Resources
- Claim Milestones: Check the Virtual Anniversary screen after every few missions. Claiming these resources early helps you keep up with the difficulty curve.
- Smart Spending: Focus on immediate upgrade needs in the Data Consolidation instead of buying items at random. Clear the High Priority list first.
- Daily Collection: Complete the Mirrorborn tasks every day. Getting free supply tickets and collapse pieces is the most efficient way to progress.
Good luck, commanders!
