What is Dekaron Siege Mode?
Dekaron Castle Siege is a large-scale guild war in which the “Attacking Guild” and “Defending Guild” fight to occupy the Genoa castle. The castle becomes the possession of the winning guild and its guild master becomes the lord of the castle to ruler of the territory, at least until the next battle.
How to join the siege?
1. Siege Application
The leader of the challenging guild must speak with one of the Siege Organizer NPCs (Leonhart of Braiken Castle or Bastian of Loa Castle) and submit a siege application by clicking a dialogue “[Application] I wish to apply for the siege”.
- Only the guild leader may apply for the siege.
- To participate, a guild must be level 3 or above and must own their own guild-mark.
- To participate, a guild must have at least 30 members.
- The application fee is 50,000,000 DILs (non-refundable).
2. Seal Registration
- Once a guild leader has successfully completed the siege application process, they must proceed with seal
ritual mission to complete the seal registration. The seal ritual will be available within a designated time
starting from 18:00 on Wednesday the week before a siege begins, and it ends automatically either when the
siege begins or when 3 challenging guilds complete the seal registration as attacking guilds.
- Once the seal ritual is available, the guild leader must return to the Siege NPC and click on “[Seal Ritual] Begin
the seal ritual” with a party ready to go at the instanced dungeon, “Cave of Abyss,” in Denebe.
- After the mission has been completed, the guild leader must return to the siege NPC and complete the seal
registration by clicking “[Seal Registration] Register the seal.”
- The first three guilds that complete the seal registration are eligible to participate in the siege. Once the
first three guilds have successfully registered, the seal registration is closed for the current cycle.

3. Beginning the Siege
Unless the castle lord designates the time for the next siege, the default time (Sunday at 21:00 every two weeks after the previous siege ends.) will be applied. Once the siege begins, the attacking guilds can move to Genoa Castle through the siege tunnels at Braiken Castle, Loa Castle, and Denebe.