Please be informed of the following changes that will occur after the maintenance on Tuesday, AUG 4, 2026 UTC.

 

▣ Temporary Suspension of Ranked Content

To prepare certain ranking content for the Sky of a Thousand Seas update, access to the following content will be temporarily suspended.

 

• Memories of Triumph will be unavailable from Saturday, AUG 1, 09:00 UTC until the Tuesday, AUG 4 maintenance.
  • Dungeon entry will be restricted as of Saturday, AUG 1, 09:00 UTC, and you will be moved to the Town if in the middle of playing.
  • You will still be able to enter the channel and use its NPCs.
     
• Unshackled Nightmare (Challenge) will be unavailable from Saturday, AUG 1, 09:00 UTC until Tuesday, SEP 1.
  • Dungeon entry will be restricted as of Saturday, AUG 1, 09:00 UTC, and you will be moved to the Town if in the middle of playing.
  • Unshackled Nightmare (Challenge) will reopen after an adjustment period of approximately one month following the Sky of a Thousand Seas update.
  • Only dungeon entry will be restricted. You will still be able to enter the channel and use its NPCs.
     
• World Boss: Contagion will be unavailable from Tuesday, JUL 28, 09:00 UTC until the Tuesday, AUG 4 maintenance.
  • This temporary suspension is required to apply the reward changes coming with the Sky of a Thousand Seas update.
  • You will still be able to enter the channel, claim rewards from the previous week, and use the NPC Shop during this period.

 

 

▣ Removal of Advanced Dungeons

• White Cloud Valley of Dreams and Solidaris of Dreams will be removed along with their channels.

 

 

▣ Removal of Malefic Dungeons

• The Track the Malefic Energy and Annihilate the Maleficents dungeons in the Sunken Depths region will close and be replaced by new dungeons in the Sky of a Thousand Seas region.
• Any Materialized Malefic Clues currently in your possession will automatically be converted into entry materials for the new dungeons.
• Materialized Malefic Clues, including Digming’s Gifts, will no longer be sold in the Secret NPC Shops that appear in Sunken Depths region dungeons.

 

 

▣ Removal of Content

• Explorer Club's Insignia/Gem system will be removed.

 

 

▣ Repurchase(Rebuy) Tab Reset

• Repurchase(Rebuy) Tab will be reset during the maintenance on Tuesday, AUG 8, 2026 UTC.

 

 

▣ Auction Hall Items Returned

• All items registered on the Auction Hall will be returned during the maintenance on Tuesday, AUG 4, 2026 UTC.

 

 

▣ Update to Mystical Arcane Box Contents

The contents of the Mystical Arcane Box will be updated after the Tuesday, AUG 4, 2026 maintenance.

 

• New Items – Available from Both Normal and Extra Rewards (effective AUG 4) 
  • +13 Reinforcement Ticket Box
  • Single-use Amplifier
  • Single-use Reinforcer
  • Super Megaphone

 

• New Item – Extra Rewards Only (effective AUG 4) 
  • Mystical Arcane Box

 

• Removed Items – Removed from Both Normal and Extra Rewards (effective AUG 4) 
  • Flashy Golden Pot Hat Avatar Box
  • Gold/Silver Danjin Cape Avatar Box
  • Reinforcement Protection Ticket
  • Echo Megaphone

 

 

▣ Changes to CERA Shop/Mileage Shop Items

• The following items available from the CERA Shop and Mileage Shop will be changed after the Tuesday, AUG 4, 2026 maintenance.

 

• Items No Longer Available (effective AUG 4) 
  • Echo Megaphone
  • Echo Megaphone (Account-bound)

 

• New Items (effective AUG 4) 
  • Super Megaphone
  • Super Megaphone (Account-bound)

 

 

▣ Changes to Security Rewards

• Rewards for Security Levels will be changed after the Tuesday, AUG 4, 2026 maintenance.

 

Security Level	Used Security Measures	Previous Reward	New Reward
Secure	OTP Authentication	Security Keeper’s Gift Box	Security Seal Box
Medium	Goblin PIN or Region Lock	None	None
Low	None	None	None

• The Security Seal Box grants 50 Security Seals when opened.
• Unopened Security Seal Boxes will be deleted 24 hours after they are delivered to your Mailbox.
• Security Seals can be exchanged for various items at Seria > Security Seal Shop and do not expire.

 

 

Thank you.

 

- Dungeon Fighter Online Support Team