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DFO 11th Anniversary

World Boss: Contagion

[previewyoutube][/previewyoutube]
The new content "World Boss: Contagion" has arrived.
Check out the Content Update details here!


Events
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We’ve prepared a special gift for DFO’s 11th Anniversary!

Celebrate the 11th Anniversary with cosmic rewards!

Villains have invaded the spaceship! Fight them off and restore peace to Celarion!

Secure valuable resources at the Celarion Resource Outpost!

A new threat looms on the horizon!

Sales
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Sleek astronaut suits to complete that impeccable SF style!

A chance to own nostalgic Avatars chosen by you the Adventurers!


- Dungeon Fighter Online Support Team

Temporary Maintenance MAR 12, 2026

[p]Greetings, DFO Adventurers,[/p][p][/p][p]We regret to inform you that we will be performing a temporary maintenance on MAR 12, 2026 UTC.[/p][p]Further details regarding the maintenance are listed below for your reference. We apologize deeply for the inconvenience.[/p][p][/p][p]UTC (Universal Time Coordinated): MAR 12, 08:00 – MAR 12, 10:00
KST (Korean Standard Time): MAR 12, 17:00 – MAR 12, 19:00
PDT (Pacific Daylight Time): MAR 12, 01:00 – MAR 12, 03:00
EDT (Eastern Daylight Time): MAR 12, 04:00 – MAR 12, 06:00[/p][p][/p][p]< Changes/fixes >[/p][p]- System Stability Maintenance[/p][p]- Fixed an issue where CERA Shop purchases will not work properly in the World Boss channel.[/p][p]- Fixed an issue with the Exploration Device Part Box (6) available in the Vivid Cecilia Shop.[/p][p]- Fixed an issue where Nesting Veroro's Fragment would sometimes not be dropped in the Temple of Death.[/p][p][/p][p]Once again, we sincerely apologize for the inconvenience and ask for your understanding.[/p][p][/p][p][/p][p]Thank you.[/p][p][/p][p]- Dungeon Fighter Online Support Team[/p]

Client Patch MAR 11, 2026

[p]Dear DFO Adventurers,[/p][p][/p][p]We have released a client patch to fix the following issues.[/p][p][/p]
  • [p]An issue where information for some items is not displayed properly[/p]
  • [p]An issue with the expiry date for the \[M] Mystical Fusion Stone Upgrade Ticket purchasable in the Mileage Shop.[/p]
[p][/p][p]The following have also been changed through this client patch:[/p]
  • [p]The descriptions for Celarion Survivors daily and weekly missions have been revised to be a bit clearer.[/p]
  • [p]The HP and defense of the boss monster in Celarion Resource Deep Exploration will be reduced.[/p]
[p][/p][p]Please restart your client to apply the changes.[/p][p][/p][p][/p][p]We apologize for any inconveniences this has caused.[/p][p]Thank you for your understanding.[/p][p][/p][p]- Dungeon Fighter Online Support Team[/p]

(Updated - MAR 16 03:13) Known Issues After MAR 10 Maintenance

[p]Greetings, DFO Adventurers,[/p][p] [/p][p]Please take note of the following confirmed issue.[/p][p] [/p][p]▣ Issue[/p][p]- An issue where speech bubbles in dungeons extend out of bounds at certain resolutions.[/p][p]- An issue where text extends out of bounds on some buttons.[/p][p]- An issue where some text overlaps or extends out of bounds in the chat window.[/p][p]- An issue where daily deletion items are displayed incorrectly in the game exit window.[/p][p]- An issue where the Battle Report is displayed incorrectly.[/p][p]- An issue where the contents of the 11th Anniversary Shop - Awakened Ones the Second Avatar Selection Box (Look)​​​​​​​ (Female Slayer) are incorrect.[/p][p]- An issue where the buff cutscene does not appear when equipping the Frost Kingdom Hidden Avatar.[/p][p]- An issue where some APCs behave abnormally in the Arena.[/p][p]- An issue where matching does not occur in Nabel Raid Matching Mode when there are fewer than 6 players.[/p][p]- An issue where abnormal silhouettes can be seen in certain towns.[/p][p]※ We are currently reviewing the details of the fixes and will provide further information in a separate notice soon.[/p][p][/p][p]- An issue where information for some items is not displayed properly.[/p][p]- An issue with the exipiry date for the \[M] Mystical Fusion Stone Upgrade Ticket purchaseable in the Mileage Shop.[/p][p]- An issue with the Exploration Device Part Box (6)  available in the Vivid Cecilia Shop.[/p][p]- An issue where CERA Shop purchases will not work properly in the World Boss channel.[/p][p]※ These issues have been fixed via client patch/temporary maintenance. [/p][p][/p][p]We sincerely apologize for any inconvenience caused by this issue and thank you for your understanding.[/p][p] [/p][p]- Dungeon Fighter Online Support Team[/p]

Regular Update FEB 24, 2026

Events
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Carry out Captain Rayron’s Plan of Attack! Complete weekly missions and get bonus rewards!

Clear Sunken Depths Dungeons for Capsule Toy Rewards! Official Webtoon Illustrator Emoticons also included!


Sales
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Radiant Rare Clone Avatar Box is included for Mystical Arcane Box Item of the Month!

- Dungeon Fighter Online Support Team