To join a Guild, you must either find and apply to one created by another player or create one of your own.
A Guild can hold up to 10 members.
By joining a Guild, you will gain access to Guild Battles, the Guild Lobby, Guild Battle Records, and Guild Contributions.

[Entering the Guild Lobby]
Once you are in a Guild, tap the name of your Guild at the top of the Lobby screen, then the Guild Lobby button.
You can also simply tap on the name of your Guild at the center of the Lobby.

[Guild Battle Records]
Here you can view your Guild's record in the current League.
You can also view its total record in past Leagues.
How to view: Tap your character icon at the top-left of the Lobby, select your Guild name, then tap [Battle Records] in the upper left.

[Guild Contributions]
You can increase the level of your Guild through Guild Contributions.
The player who makes the first Guild Contribution of the day will be granted a random bonus effect.
This bonus resets daily at midnight.

[Guild Contribution Effects]
・Increased ATK, MATK, DEF, and MDEF stats
・Increased Ability effects
・Increased EXP acquired
・Increased Gold acquired

The effects that can be granted will increase as your Guild levels up.