GvG / GvE
Capture Monster Bases and Other Guild Teleport Bases
By joining a guild, you can participate in GvG and GvE.
There are two types: Offensive Battles and Defensive Battles.
【Offensive Battle】

Declare War
Declare war on the target base.
You can declare war from the Map screen or next to the GvG button.
Only the Guild Leader and Vice Leader can declare war.
(You cannot declare war on multiple bases at the same time.)
If the Guild Leader is under beginner protection, has a city defense skill active, or is in a defeat cooldown period, war cannot be declared.
Unlike PvP, war can be declared at any time.
During Phase 2, war can only be declared within the nation; during Phase 3, it can be declared nationwide.

Preparation
The preparation time from war declaration to battle start is 12 hours.
During this time, dispatch troops to the target base.
You can navigate to the declared base location from the GvG button.
Battle Start
The battle begins 12 hours after the declaration.
Offensive battles are conducted as follows:
Monster Base: Attacker vs Monster Army
Teleport Base: Attacker vs Defender
Victory is achieved by eliminating all enemy bosses and heroes.
After Battle
If you win, you can occupy the base.
・Monster Base → Converted into your guild's Teleport Base
・Teleport Base → Captured
There is no limit to the number of Teleport Bases you can own.
【Defensive Battle】
Receive War Declaration
The Guild Leader of the targeted guild will receive a war declaration notification.
Members can check it from the GvG screen or guild messages.
Preparation
The preparation time from war declaration to battle start is 12 hours.
During this time, dispatch troops to the base you will defend.
Battle Start
The battle begins 12 hours after the declaration.
Defensive battles are conducted as follows:
Teleport Base: Attacker vs Defender
Victory is achieved by surviving.
After Battle
If you win, you successfully defend the base.
【About Sappers in GvG / GvE】
In GvG and GvE, equipping Sappers grants additional stat bonuses on top of the hero's total stats (including equipment).
Sappers provide attack bonuses when on offense, and defense bonuses when on defense.
Higher-tier Sappers grant both attack and defense bonuses regardless of role.