Blue Battlefield
Last Edited on : Feb 5, 2026, 16:32 (UTC)
Table of Contents
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Blue Battlefield |
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Blue Battlefield is a guild-based PvP mode in Black Desert where adventurers use ships to battle for control over forts located on various islands. Work together with your guild to capture and defend these forts, sink enemy guild carracks and galleys, and secure victory.
To win, occupy a fort created for Blue Battlefield and defend it until the end. Sink enemy guild carracks and galleys to protect your claim. Hold your ground until the fort is finally secured.
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| Blue Battlefield Main Rewards | ||
| Guild Tax | Loot Box Contents | Family Buffs |
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Guild Tax
2 to 4 billion Silver
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Up to Crow Coins x5,000 |
Life Skill Mastery up to +75 |
How to Apply
- You can apply for the Blue Battlefield as follows.
| How to Apply & Participate | |
| War Days | Sun to Fri (Sat excluded) |
| War Time |
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| Server |
O'dyllita-1 |
| Application Period |
Up to 1 hour before start time on war day |
| Application Method |
Guild Master or a member with "Apply for Node War" authority can apply via the Blue Battlefield button (Balenos Sea) found in Menu (ESC) → War (F7) → Node War |
| Participants |
Max 20 |
| Confirmation |
15 minutes before the battle begins, participating guilds are finalized. |
| * Guild members can change their participation status in Blue Battlefield via Guild (G) → Guild Member Status tab. | |
- To join Blue Battlefield or Node War, your guild must have a Node War Participation Opportunity, which resets every Saturday after the Conquest War.
- For Blue Battlefield, your spent participation opportunity will be refunded if:
- your guild/alliance has a combined total of 10 or more allied/enemy ships destroyed or temporarily occupies a fort at least once
- You can only have one Node War Participation Opportunity at a time. Once you use your participation opportunity in either the Node War or Blue Battlefield, you won't be able to join other content.
- For Blue Battlefield, your spent participation opportunity will be refunded if:
Blue Battlefield Rules
- Blue Battlefield takes place in the Balenos Sea.
- Depending on the number of participating guilds, forts will spawn on the following islands.
- Blue Battlefield fort tiers are as follows:
| Blue Battlefield Fort Tiers |
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| Tier 5 | Marlene Island | Balvege Island | Baremi Island |
| Mariveno Island | Eveto Island | - | |
| Tier 4 | Invernen Island | Angie Island | Duch Island |
| Weita Island | Luivano Island | - | |
| Tier 3 | Al-Naha Island | Paratama Island | Narvo Island |
| Louruve Island | Marka Island | - | |
- Battles last 20-60 min; end time is randomized.
- Some forts may have a “?” end time.
- Fort placement rules in Blue Battlefield, as in Occupation Node War, are determined by the number of participating guilds and the participation status of guild and alliance members 15 minutes before the war begins.
- At that point, you can't switch your participating status.
- If a guild or alliance cancels its Node War application, the participation status for all members will be reset to "No".
| End Times |
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End times are randomly set to the following:
Minimum 20 min to maximum 60 min
and
some forts have "?" end times
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- uring the battle, you can track active forts and remaining time via the World Map and widget on the right.
- Forts can be attacked by other guilds, losing durability. The guild that depletes the fort's durability temporarily occupies it.
* Attacking forts with characters does negligible damage—use ship cannons for real impact.
- When a fort's timer ends, the guild/alliance currently occupying it becomes the final owner.
Blue Battlefield Ships
- The following big ships can participate in Blue Battlefield:
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Guild Galley |
Can carry multiple guild members on the inner deck and port/starboard sides. |
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Epheria Galleon |
Personal ship, available for limited time via special barters. |
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Epheria Carrack |
Versatile personal ship. |
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Panokseon |
Personal ship with high durability and large cabin for crew assignment. |
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Other Ships |
Destroyers, Traders, Improved Epheria Frigates, Epheria Sailboats, etc., can also be used. |
* Blue Battlefield System
1. During Blue Battlefield, Oquilla Current does not apply. Ship movement stats (Speed, Accel, Turn, Brake) are reduced by 30%. For Epheria Carrack - Volante, stats are reduced by 15%.
2. Ships destroyed or collected remotely will neither reduce sailors' satiation nor cause illness. Trading/barter goods are lost as usual.
3. Ship repair and mount resurrection items cannot be used on the battle server and war time.
4. Annexes and siege weapons cannot be built within the battlefield.
Blue Battlefield Guild Skills
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- These skills will also apply to alliance members.
- Seawatch Pulse is automatically applied to guilds occupying a fort.
- You can change the color of enemy ships detected on the World Map (M) with Seawatch Pulse by adjusting guild color settings under Guild (G) → Guild Information.
| Skill Name | Effects | Required Pledge of the Blood | Cooldown |
 Seaforge Blessing
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Instantly repairs 15% of guild ships’ Durability | 500 | 30 min |
 BreezyVoyage
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Guild ship's Movement Speed +20% (Duration: 5 min)
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200 | 15 min |
 Seawatch Pulse
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Displays enemy ship locations on the World Map
(Duration: 5 min)
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350 | 20 min |
 Admiral's Rally
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Extra Damage Against Ships and Forts +5200
(Duration: 5 min)
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200 | 15 min |
Assemble!
- 10 minutes before Blue Battlefield begins, the "Assemble!" button appears at the top right.
- Pressing it teleports each guild to a random coordinate in one of these areas:
- Velia
- Iliya Island
- Lema Island
- Pressing it teleports each guild to a random coordinate in one of these areas:
Caution! If you have a ship out, it will be remotely collected to the local wharf.
(No sailor satiation loss or sickness on remote collection, but any trading/barter goods on board are destroyed to prevent abuse.)
If you have no ship out, use the Wharf Manager's Transport function to retrieve stored ships.
Guild ships out at the start will be remotely collected, so keep them in the Guild Wharf.
- If your ship is destroyed during Blue Battlefield, you can revive at one of these wharfs via a special UI:
- You can instantly resurrect when your character dies in Blue Battlefield.
| [Blue Battlefield] Resurrection Spots upon Ship Destruction | ||
Velia |
Iliya Island
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Lema Island
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- Names of other adventurers are now visible from farther away in the Blue Battlefield.
- You can see info for allies/enemies on ships faster.
▲ You can set the colors for every participating guild.
Participation & Victory Rewards
- Guilds that secure a fort at the end receive the following node tax as guild funds according to fort tier:
- Guild funds are normally obtained by completing guild missions and can be used for allowances, bonuses, and guild item purchases.
| Guild Funds per Fort Tier | |
| Tier 5 Fort | 6 to 8 billion Silver |
| Tier 4 Fort | 5 to 7 billion Silver |
| Tier 3 Fort | 4 to 6 billion Silver |
- Guilds who participate or achieve victory in Blue Battlefield will obtain the following Family buffs for 48 hours.
- Victory Buff Conditions
- Given to all guild/alliance members who secure a fort.
- Participation Buff Conditions
- Given if your guild/alliance temporarily occupies a fort at least once and has a combined total of 10 or more allied and enemy ships destroyed, without final victory.
- Victory Buff Conditions
| Victory Buff | Participation Buff |
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Life Skill Mastery +75 |
Life Skill Mastery +50 |
* Family buffs from Blue Battlefield and Node Wars do not stack and only the most recent buff is applied.
- Guild members who participate in fierce battle and/or achieve victory in Blue Battlefield can obtain the following personal rewards:
| Type | Participation Tier & Reward | Open to Obtain |
| Victory Reward |
 Tier 5 - Oceanlord Triumph Box (Tier 5)
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Guaranteed
 Gold Bar of the Glorious Battlefield 10,000G x1 Gold Bar of the Glorious Battlefield 1,000G x2 Bluewave Loot Box x7 Deep Sea Crystal Box x1 Wavelit Crystal x20Chance-based
Oquilla's Origin Stone x1
Pirates' Sunken Treasure Chest x1
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 Tier 4 - Oceanbreaker Triumph Box (Tier 4)
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Guaranteed
Gold Bar of the Glorious Battlefield 10,000G x1Gold Bar of the Glorious Battlefield 1,000G x1Bluewave Loot Box x6Deep Sea Crystal Box x1 Wavelit Crystal x17Chance-based
Oquilla's Origin Stone x1
Pirates' Sunken Treasure Chest x1
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 Tier 3 - Oceanstrider Triumph Box (Tier 3)
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Guaranteed
Gold Bar of the Glorious Battlefield 10,000G x1Bluewave Loot Box x5Deep Sea Crystal Box x1 Wavelit Crystal x15Chance-based
Oquilla's Origin Stone x1
Pirates' Sunken Treasure Chest x1
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| Participation Reward |
 Tiers 3 to 5 - Waveworn Resolve Box
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Guaranteed
Gold Bar of the Glorious Battlefield 1,000G x5Bluewave Loot Box x1 Wavelit Crystal x15Chance-based
Oquilla's Origin Stone x1
Pirates' Sunken Treasure Chest x1
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* If you capture a “?” fort, you get an extra Bluewave Loot Box x2.
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- Open the Bluewave Loot Box to obtain the following according to a set probability:
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Oquilla's Origin Stone x1 |
- Added a new item, Pirates' Sunken Treasure Chest.
- This item can be obtained at a low chance when opening boxes earned from final occupation rewards (Tier 5/4/3) and participation rewards.
- Open the chest to receive the following:
 Pirates' Sunken Treasure Chest
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Crow Coin x5,000
[Guild] Goldmont Pirates' Pure Gold Goblet
* [Guild] Goldmont Pirates' Pure Gold Goblet can be sold at the Guild NPC Shop for 10,000,000,000 Silver (Guild Funds).
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* 
Oquilla's Origin Stone
Oquilla's Origin Stone- Use to process Margoria Sea Crystal to Margoria Crystal, or Rusalka Sea Crystal to Rusalka Crystal via Simple Alchemy.
| Processing | Materials | Product |
| Simple Alchemy |
Oquilla's Origin Stone x1 Margoria Sea Crystal x1
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Margoria Crystal |
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Oquilla's Origin Stone x1 Rusalka Sea Crystal x1
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Rusalka Crystal |
* Deep Sea Crystal Box
Deep Sea Crystal Box- A box holding a sea crystal infused with mysterious, concentrated power from the ocean's depths. Contains yellow-grade or higher Sea Crystal crafting materials.
- Usage: Obtain one of the following according to a set probability:
- Origin of Margoria x1-3
- Origin of Rusalka x1-3
- Margoria Crystal x1
- Rusalka Crystal x1
- Usage: Obtain one of the following according to a set probability:
- Additional rewards are issued to the top contributor in the winning guild for Blue Battlefield.
- Top Contributor Reward: Crow Coin x1,000, Secret Book of Florin x3
- Added new titles obtainable from Blue Battlefield.
- These titles last for 7 days upon acquisition.
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Naval Hero
Destroy 10 ships in Blue Battlefield.
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Fleet Commander
Destroy 25 ships in Blue Battlefield
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Naval Weapon
Destroy 50 ships in Blue Battlefield
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- Added a new item for Adventurers who perform well in the Blue Battlefield: Wavelit Crystal.
- This item is stored in the Manage Currency UI. The amount obtained depends on your Blue Battlefield results.
| Fort Tier |
Wavelit Crystal Qty |
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Tier 5 |
20 |
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Tier 4 |
17 |
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Tier 3 |
15 |
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Participation Reward |
15 |
- Wavelit Crystal can be exchanged in Manage Currency for the following items:
| Exchange Type | Item | Required Qty. | Exchange Limit |
| Family Exchange |
 Oquilla's Origin Stone x3
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150 | 1 per Family |
 Advice of Valks (+300) x1
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150 | 1 per Family | |
 Advice of Valks (+250) x1
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85 | 1 per Family | |
 Advice of Valks (+200) x1
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50 | 1 per Family | |
 Advice of Valks (+150) x1
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30 | 1 per Family | |
 [Title] Galley Captain x1
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10 | 1 per Family | |
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[Title] Galley Boatswain x1
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10 | 1 per Family | |
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[Title] Galley Deckhand x1
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10 | 1 per Family | |
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[Title] Valor x1
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10 | 1 per Family | |
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[Title] Volante x1
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10 | 1 per Family | |
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[Title] Balance x1
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10 | 1 per Family | |
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[Title] Advance x1
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10 | 1 per Family | |
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[Title] Panokseon x1
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10 | 1 per Family | |
| Weekly Exchange |
 Cron Stone x300
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20 | 2 per week |
 Deep Sea Crystal Box x1
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30 | 1 per week | |
 Bundle of 1,000 Crow Coins x1
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5 | 1 per week | |
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Bundle of 500 Crow Coins x1
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3 | 1 per week | |
 Secret Book of Florin x3
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3 | 3 per week | |
 Item Collection Increase Scroll x5
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5 | 1 per week | |
 Torn Treasure Map Piece Box x1
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5 | 2 per week | |
 Oquilla's Flower x1
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2 | 10 per week | |
| Regular Exchange |
 Gold Bar Box x1
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10 | - |
 Tidal Black Stone x25
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1 | ||
 Starlight Hardener x1
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1 | ||
 Starlight Emulsifier x1
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1 | ||
 Ravinia's Moss Remover x2
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1 |
