Alliance: Assault Defense is a content that can play with Alliance members that cooperate with Alliance members to defend against attacks by the EITC.

To proceed with Alliance: Assault Defense, the Alliance Skill 'Alliance: Assault Defense' must be activated. 

EITC will be created around Alliance Fortress and randomly attack the Alliance Members within the territory when using the skill. 

This event is composed of 10 waves, with an allotted preparation time of 60 seconds for every wave. 

Unlock the next difficulty level upon earning 3 stars 

This feature offers rewards in 3, separate categories: Defense Success Rewards, Participation Rewards, and Wave Rewards. 

■ Details 

- Alliance: Assault Defense may only proceed with a placed Alliance Fortress. 

- The ‘EITC’ will attack regardless of the structures within the territory of the Alliance. 

- You will be attacked by ‘EITC’ even with Peace Shield applied. 

- Wave defense will fail if you move your base when you are targeted. 

- Wave defense will fail if your Alliance Fortress is destroyed by another Alliance. 

   ㄴIf your Alliance Fortress is destroyed on Wave 10 and cleared wave defense, it is considered cleared. 

- Alliance members who failed to defend will be excluded from being targeted in the next wave. 

- There is an 8-hour cooldown time after using the Alliance Skill.