Fortress War: Fortress Configuration
A fortress consists of the Heart of Fortress, the Castle Gate, defense camps, guard towers, obstacles for installing items, the Command Post and war flags. Structures can only be destroyed with siege weapons.
- Heart of Fortress: the war's ultimate target. It cannot be attacked before all guard towers inside fall; destroying it grants temporary occupation. The heart itself attacks: it drains enemy HP and applies freezing/frostbite effects.
| Phase | HP damage | Effects |
|---|---|---|
| I | %5 | Freezing (grade 4, 40%) |
| II | %9 | Freezing (grade 5, 40%) |
| III | %13 | Freezing (grade 8, 40%) + frostbite (grade 8, 10%) |
| IV | %17 | Freezing (grade 9, 40%) + frostbite (grade 9, 10%) |
- Castle Gate: the only passage into the outer castle, with high durability and defense. The owner's commander, deputy commanders and combat administrator open/close it with the pulley. When it falls, the attackers enter the outer castle.
- Defense camps: formed around the Castle Gate, guard towers and the Heart; owning-guild members inside gain physical/magical damage and damage absorption (alliance members do not benefit).
- Guard Tower: defense towers that upgrade in stages, protecting the way to the heart.

The official tower artwork: the same structure in the four fortress colours.