Announcements
New Content - Refraction Railway Line 2 BokGak
Greetings, Dear Manager.
New Content <Refraction Railway Line 2 BokGak> will be added to the game with the Jul. 23rd, 2026 (KST) Scheduled Update.
<Unlock Conditions>
Clear Main Story Chapter 9
<Event Description>
- Refraction Railway Line 2, starting with 3 initial stations, will present a series of highly difficult encounters. More rewards can be claimed the further you progress into the Refraction Railway.
- Upon clearing the Terminus, you will be rewarded with a BGM track. If you have achieved certain conditions before clearing the final Station, you will be rewarded with a special cosmetic banner.
- Refraction Railway Line 2 BokGak does not have a specified end date, and will be a permanent addition to the game.
※ Please note that Refraction Railway Line 6 and Refraction Railway Line 1 BokGak do not close with the introduction of Refraction Railway Line 2 BokGak.
※ Refraction Railway Line 2 BokGak’s special cosmetic banner does not keep track of your cumulative turn records.
Content Details
- Enter the Refraction Railway menu to select between the following contents:
- <Refraction Railway Line 6>, <Refraction Railway Line 2 BokGak>, <Refraction Railway Line 1 BokGak>
- <Refraction Railway Line 2 BokGak> unlocks upon clearing all Stages of Main Story Chapter 9, and can be accessed via the Drive tab.
- The Line can be accessed at any time without incurring any resource costs.
- You can spend a certain number of Modules (first time-only) at the Lost & Found to claim your Refraction Railway rewards.
- Upon entry, make a Team by Deploying your loadout of Identities and E.G.O. Even if you are in the middle of this Refraction Railway run, any changes (such as Level changes, Upties, or Threadspinning) made to currently Deployed units will be reflected in your current run as well.
- The Refraction Railway presents a very difficult series of battles; we strongly recommend that you enter the Railway after meeting the recommended Level & Tier conditions.
<Major Changes>
- The Refraction Railway Line 2 BokGak will have a new Recommended Upgrade Level: Uptie Tier 4 and Level 60 for Identities and Threadspinning Tier 4 for E.G.O.
- Identity Level in Refraction Railway Line 2 BokGak will be capped at Level 60.
- Refraction Railway Line 2 BokGak enemy stats and Skills will be adjusted to reflect this change.
About Refraction Railway Line 2 BokGak
- Upon first entry, Line 2 BokGak will only have 3 stations. You can freely adjust your Loadout prior to entering the first Station.
- Upon clearing all Stations on your current Cycle, the “Completed Cycle Count” and “Total Turns” records will be recorded.
- Any remaining E.G.O Resource after an Encounter can be used in the subsequent Encounter.
- Please check the bottom of the screen to view your Deployed Identities’ HP and SP statuses.
- Once a Cycle is cleared, Sinners will recover HP, and dead Sinners will be revived.
- SP values of Sinners will carry over from one Cycle to another. Revived Sinners’ SP will be reset to 0.
<Major Changes>
- Refraction Railway Line 2 BokGak features multi-wave Encounters that include all Stations of the current Cycle.
- Clearing the last Section will increase your Cycle Count by 1, and the Station lineup for the subsequent Cycle will be changed.
- Clearing a Cycle once or more will allow you to enter the Terminus.
- In Refraction Railway Line 2 BokGak, once you’ve proceeded to the next Cycle, you will not be able to revert your run to the previous Cycle.
Loadouts
- Refraction Railway Line 2 BokGak uses the “Chain Battle” system. In Chain Battles, when Deployed units are defeated, Backup Units will fill their spot according to the Deployment order.
- You can enter the battle only after selecting 7 Deployed units and 5 Backup units.
- Entry SP Buff is applied to Backup units upon Substituting in. Identities that use only Minus Coins will receive an Entry SP Buff with a negative value. (e.g. Lobotomy E.G.O::Sunshower Heathcliff, The One Who Shall Grip Sinclair)
- When an ally that utilizes SP-based Coin types Substitutes in, Entry SP Buff will be granted with a positive or negative value, depending on the ally’s current SP-based Coin type. (e.g. Lobotomy E.G.O::In the Name of Love and Hate Don Quixote, Lobotomy E.G.O::The Sword Sharpened with Tears Rodion)
- When applied as a negative number, Entry SP Buff will not drop the Identity’s SP below -40.
<Major Changes>
- You can change your Team Loadout at the beginning of each Cycle, including Identities, E.G.O, or Deployment orders.
Buffs
- A defeated ally Identity will give E.G.O resources that correspond with the Sin Affinities and the Rank of each Attack Skill on the said ally.
- Every completed Cycle of Refraction Railway Line 2 BokGak will give a special buff. Select the buff icon displayed under each unit to check the details of the buffs.
<Major Changes>
- Every time a Cycle is completed, you will select a buff for allies and enemies each and proceed to the next Cycle.
- The above buffs carry over from Cycle to Cycle.
- You may not select the same ally buff selected in the immediately preceding Cycle.
- The same enemy buff can be selected again only after every type of enemy buff has been selected at least once.
Focused Encounters
- All Encounters will progress as Focused Encounters, where Managers will manually use ally Skills to Clash with enemy Skills.
Chain Battles
- Units that have died will be replaced by Backup units according to their Deployment Order.
- Once a Backup unit Substitutes into the field, its Support Passive will be deactivated, and its Combat Passive will be activated instead. Combat Passive will be replaced with Support Passive once a unit dies.
Combat Progression
- You may choose to retry or give up on a stage. Selecting either of those options will reset the Stage, and will send you back to the beginning of the first wave should you attempt it again.
- If all of your allies are defeated, you can choose between returning to the Team Loadout menu to change your Deployment orders or immediately retrying the battle from Wave 1.
Clear Info
- After completing a Cycle, you can view statistics such as Turns taken to clear each Cycle, participating Identities, Buff options chosen, and damage contributions in the Clear Info menu.
<Major Changes>
- The Clear Info will display your records up to Cycle 5. Starting from Cycle 6, records will not be saved.
Records
- Upon clearing the Terminus, You can check detailed information of your Refraction Railway Line 2 BokGak run.
- View the Clear Turns for each Cycle and Total Turns here. Click the “Details” button to view the damage contribution statistics.
※ Refraction Railway Line 2 BokGak does not save cumulative records.
※ Refraction Railway menu will not show any records for your previous attempts or Turn Counts.
Claiming Rewards
- Once a Cycle is cleared, rewards will be unlocked in the "Lost & Found" based on the number of Cycles cleared.
- To access the "Lost & Found" for the first time, a certain number of Enkephalin Modules will be required. Rewards that can be claimed afterward are free of charge.
- You can earn various level-up and extraction currencies here. Special rewards include 「Level Boost Ticket VI」, 「[Season 2] 3★ Guarantee Decaextraction Ticket」, and 「Refraction Railway Line 2 BokGak Themed Ticket Deco」.
Special Cosmetic Banner and BGM
- Here, you can view the acquisition conditions for Refraction Railway Line 2 BokGak’s Cosmetic Banner and BGM.
※ Refraction Railway Line 2 BokGak Special Banner does not display your Turn Count.
※ Refraction Railway Line 2 BokGak Special Banner can only be obtained by satisfying the acquisition conditions (Cycle Counts and Total Turns).
Example: Cycle Counts: 8, Total Turns: 149 - Special Banner obtainable
Cycle Counts: 8, Total Turns: 172 - Special Banner unobtainable
Cycle Counts: 4, Total Turns: 100 - Special Banner unobtainable
※ Please note that if you have cleared the Refraction Railway Line 2 previously, no additional copy of BGM will be granted upon clearing the BokGak.