The castle siege, which used to proceed on Saturday/Sunday, has been changed to Sunday between 16:00 ~18:00 and 20:00 ~ 22:00 due to the addition of the Territory War.
Anyone who participates in a castle or fortress siege is marked with an insignia above their clan crest so they can be easily identified.

It has been changed not to be able to register for a fortress siege starting 2 hours before the start of a territory battle.
A total time which a clan can own a fortress has changed from 75 hours (3~ days) hours to 168 hours (7 days).
Clan level has been expanded to level 11.
| Skill Name | Level (Lv) | Condition for Acquiring |
|---|---|---|
| Clan Body (Formerly Clan Vitality) | 3 | Clan Reputation: 13200 Earth Egg * 10 |
| Clan Lifeblood | 3 | Clan Reputation: 13200 Earth Egg * 10 |
| Clan Magic Protection | 3 | Clan Reputation: 13200 Soul of Angel * 10 |
Castle tax is now applied to the rent of clan halls. However, the actual amount that clan hall owner pays remains same.
A new Pailaka has been added for castle and fortress owning clans. It is a new type of dungeon where players complete their mission by helping specific NPC's within the instance.
Players can enter through the following NPCs: