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Spring 2025 Event/E-1/Sandbox
< Spring 2025 Event | E-1
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Sandbox Rules
This sandbox is to be used to construct an event guide for the above-mentioned event map. These guides are to all of the following requirements:
- An overview of the map, including ship/equipment bonuses, Ship Locks, and special mechanics,
- List of branching unlocking requirements (if there are multiple requirements, compositions for each path along with the below requirements will be needed to discuss the unlocking requirements in question),
- A list of working compositions that work: (T=these must have possible alternatives for players who may or may not have all ships needed for a specific path),
- The Paths said compositions will take (to explain each path the composition will/can take),
- A summary or description of what kind of obstacles a composition will face.
- A description of the boss node: what it consists of, and a descriptive guide on what the player should consider for a course of action to successfully win the battle,
- Optional: Tips/guides to farm certain ships and/or resources (this can also require compositions, paths, and possible descriptions).
Editors are to construct their own version of the guide/part of the guide, and complete it in a timely fashion.
No editor is allowed to edit over other editors' work without the consent of the editor and his approval to do so.
Several versions will be constructed through this page and will be reviewed and approved by the staff/collaboration committee before being moved for the Spring 2025 Event, being reviewed and updated once more before it can be released.
Overall there should be 3 versions of the guide that have to be constructed, including: Preliminary > Polished > Finalized Guides
With each approval of each version of the guide, the said guide will be updated to the main page, and construction of the next version will begin.
All guides outside of the approved version will be removed and work will begin from the approved version to make it better for the next version until the finalized version is made.
Branching Table
| E-1 Branching Rules (Start Points) ▼/▲ | ||
|---|---|---|
| Nodes | Rules | |
* = Rule under review
? = Ship type/amount under review
Historical Bonuses
DISCLAIMER: This information is based on user-submitted data and is subject to revisions as more data is gathered. Any version of the ship receives the bonus regardless of remodel.
Ship Bonuses
??
Equipment Bonuses
??
Debuff
??
Jiga's Guide
Map Overview
E1 is a single fleet, two-phase map consisting of one transport and one boss phase.
- 2 LBAS are available on this map:
- Only 1 can be set on Sortie, the other being limited to Defense,
- This map uses 2 locks:
104th Squadron, Starting point 1 (reused in E-3)
1st Fleet, Starting point 2 (reused in E-2)
The use of 
AGDP AGDP
on CV(B/L), Ise-class Kai Ni, and Akitsu Maru Kai, is required to sortie these ships on the map.
- Node C2 is a resource node.
Gimmick 1 - Unlock
To unlock the next part of the map, the following steps have to be performed:
| C | E | C2 | |
|---|---|---|---|
| Hard | S x3 | S x3 | Reach x2 |
| Medium | S x2 | A x2 | Reach x2 |
| Easy | ? | ? | ? |
| Casual | ? | ? | ? |
| Node C | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
C is a surface node.
| |||||||||||||||||||||||||||||||||||||||||||||
| Node C2 | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
| C2 is a resource node, therefore, it is possible to continue even when Taihai on node C1.
For the gimmick, sortie with a single submarine equipped with a Damage Control will guarantee to reach the end node.
Else:
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| LBAS can be sent on the pre-node to eliminate any threat | |||||||||||||||||||||||||||||||||||||||||||||
| Node E Fast | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
Shortest route
Avoiding D2 needs at least 2 DD/DE and 5 Ships MAX.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| ASW LBAS should be used | |||||||||||||||||||||||||||||||||||||||||||||
| Node E Slow | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
Shortest route
Avoiding D2 needs at least 2 DD/DE and 5 Ships MAX.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| ASW LBAS should be used | |||||||||||||||||||||||||||||||||||||||||||||
Gimmick 2 - Unlock
To unlock the boss, the following steps have to be performed:
| H | G | C2 | |
|---|---|---|---|
| Hard | S x3 | S? x3 | Reach |
| Medium | S x2 | S x2 | Reach |
| Easy | ? | ? | ? |
| Casual | ? | ? | ? |
| Node H Fast | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Shortest route.
The last node is surface battle one, so ASW is only advised to reach it, but not defeat it.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Recommend LBAS with with all bombers be sent to H to help improve chances of securing an S rank | |||||||||||||||||||||||||||||||||||||||||||||
| Node H Slow | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Shortest route.
The last node is surface battle one, so ASW is only advised to reach it, but not defeat it.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Recommend LBAS with with all bombers be sent to H to help improve chances of securing an S rank | |||||||||||||||||||||||||||||||||||||||||||||
| Node G Tag 1 | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
| An alternative fleet using the 1st tag. | |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Recommend LBAS with with all bombers be sent to G to help improve S rank chances. | |||||||||||||||||||||||||||||||||||||||||||||
| Node G Tag 2 | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
Use this opportunity set up the fleet for #Phase 1 - Boss if desired.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Recommend LBAS with with all bombers be sent to G to help improve S rank chances. | |||||||||||||||||||||||||||||||||||||||||||||
- Node C2
- Refer to #Gimmick 1 - Unlock's fleet for composition and routing.
Phase 1 - Boss
| Heavy Fleet | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
Decent fleet that takes the shortest path to the boss.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Sending all LBAS on the boss is advised, else, sending them on node M is viable to increase the reach rate. | |||||||||||||||||||||||||||||||||||||||||||||
| Super Heavy Fleet | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
Do not deploy this fleet unless having a large supply of duplicate battleships to lock, or playing in casual/easy for the rest of the event.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Sending all LBAS on the boss is advised, else, sending them on node M is viable to increase the reach rate. | |||||||||||||||||||||||||||||||||||||||||||||
| Light Fleet | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| ||||||||||||||||||||||||||||||||||||||||||||
| Fleet Notes | |||||||||||||||||||||||||||||||||||||||||||||
Light fleet, cheaper to run, but will have to go through a sub node at red and an air node at pink.
| |||||||||||||||||||||||||||||||||||||||||||||
| LBAS Notes | |||||||||||||||||||||||||||||||||||||||||||||
| Sending all LBAS on the boss is advised, else, sending them on node M is viable to increase the reach rate. | |||||||||||||||||||||||||||||||||||||||||||||
AGDP is required for all carriers.
M includes the new Destroyer Ra-class α, which does oTorps and has good combat strength.
Smokees are highly recommended for M along with Vanguard formation to avoid taking damage.
Boss Fleet will consist of the new Transport Ship Wa-Class B (Landing) Elite unit that has high AA strength and is armed with a 
Barrage Balloon to mitigate damage from carriers and LBAS.
- Be advised that if a land bases is sent to O, planes and rank loss will be significantly higher.
- Using Boss support is highly recommended.
- The Wa-class, while it has high HP, does however lack strong armor, it is possible to defeat it using double attacks.
Dark's Old Format Guide
Map Overview
E1 is a single fleet, consisting two unlocking sequences followed by one boss phase .
- 1 LBAS is available to sortie on this map
- This map uses 2 locks:
- 104th Squadron, Starting point 1 (reused in E-3)
- 1st Fleet, Starting point 2 (reused in E-2)
The use of AGDP AGDP on CV(B/L), Ise-class Kai Ni, and Akitsu Maru Kai, is required to sortie these ships on the map.
- Node C2 is a resource node.
Gimmick 1: Eliminate the threats near Hokkaidou
To unlock the next part of the map, the following steps have to be performed:
| C | E | C2 | |
|---|---|---|---|
| Hard | A x3 | S x3 | Reach x2 |
| Medium | A x2 | A x2 | Reach x2 |
| Easy | ? | ? | ? |
| Casual | ? | ? | ? |
- Single Fleet: 1 CA, 1 CL, 3-4 DD,0-1 DE
- Route: 1 A B B1 B2 C
- AACI recommend to deal with B2
- Send a Bomber LBAS to C if needed
- Single Fleet: 1 SS
- Route: 1 A B B2 C1 C2
- Sortie with a single submarine equipped with a Damage Control Item will guarantee to reach the end node
- The route will not consume the material when you reach the node even if your submarine becomes heavily damaged.
- The Damage Control Item is there to allow the submarine to continue its sortie.
- Send a Bomber LBAS to C1 if desired
- Single Fleet: 0-1 CVL/CL, 0-2 DD, 3-4 DE SLOW
- Route: 1 A D D3 E
- Single Fleet: 1 CL, 3-4 DD FAST
- Route: 1 A D D3 E
- This fleet is Slow AND takes the shortest route.
- Avoid D2 need at least 2 DD/DE and 5 Ships MAX.
- Otherwise, 1-2 CL 3-4 DD/DE 5 Ships MAX to route to E
- OASW is recommended for your fleet
- 1 ship equipped with AACI is recommended for D3
- LBAS range: 3
- Recommend LBAS with fighters be sent to D3 to improve passing rate
Gimmick 2
To unlock the boss, the following steps have to be performed:
| H | G | C2 | |
|---|---|---|---|
| Hard | S x3 | S? x3 | Reach |
| Medium | S x2 | S x2 | Reach |
| Easy | ? | ? | ? |
| Casual | ? | ? | ? |
- Single Fleet: 1 CL, 3-4 DD FAST
- Route: 1 A D D3 E H
- Single Fleet: 1 CVL/CL, 0-1 DD, 3-4 DE SLOW
- Route: 1 A D D3 E H
- The last node is surface battle one, so ASW is only advised to reach it, but not defeat it
- Alternatively using Vanguard formation across nodes D E can help the fleet survive the sub nodes as they focus on surface combat.
- 1 ship equipped with AACI is recommended for D3
- LBAS range: 3
- Recommend LBAS with with all bombers be sent to H to help improve chances of securing an S rank
- Single Fleet: 1 CA, 1 CL, 3-4 DD, 0-1 DE
- Route: 1 A B B1 B2 C G
- Refer to #Gimmick 1's fleet for composition and routing.
- Striking Force: 1 (F)BB(V), 1 CV(B/L), 1 CL, 3-4 DD, 0-1 XX
- Route: 2 F C G
- Use this opportunity set up the fleet for #Phase 1 if desired
- All node are surface combat
- LBAS range: 5
- Recommend LBAS with with all bombers be sent to G to help improve chances of securing an S rank
- Refer to #Gimmick 1's fleet for composition and routing.
Phase 1 - Boss
- Striking Fleet: 1 (F)BB(V), 1 CV(B/L), 1 CL, 3-4 DD, 0-1 XX
- Route = 2 F C G M O
- Decent fleet that takes the shortest path to the boss
- AGDP is Required for your CV/CVL
- All fights are surface battles, so use Vanguard formation
- Striking Fleet: 7 (F)BB(V) FAST+
- Route = 2 F C G M O
- Do not deploy this fleet unless you have a large supply of duplicate battleship that you are willing to throw into this map under this lock
- Only consider as a possibility to run upon clearing the entire event when locks are no longer restricted
- Very powerful, but very resource intensive fleet
- Striking Fleet: 1 CV(B/L), 0-1 CA(V), 1 CL, 0-1 CLT, 4-5 DD
- Route = 2 F C I J L M O
- AGDP is Required for your CV/CVL
- Light fleet, that can save resource cost, but will have to go through a sub node at red and an air node in pink
- Use Vanguard on C, J and M
- Use AACI and Diamond on L
- M will consist of the new Destroyer Ra-class (Alpha) which has opening torpedo capabilities and decent combat strength
- Smoke Screens are highly recommended for M along with Vanguard formation to avoid taking damage.
- Boss Fleet will consist of the new Transport ship Wa-class (Landing) unit that has high AA strength and is armed with a Barrage Balloon to mitigate damage from your carriers and your LBAS.
- Be advised that if a land bases is sent to O loss of planes and rank will be significantly high
- Boss support is highly recommended
- The Wa-class Transport, while it has high HP, does however lack strong armor, it's possible to defeat it using double attacks.