Here are some steps to create a custom server:

1.To create a custom you have atleast one custom room in your FF id.

2. You can buy a custom with 100 diamonds or get free custom through guild.

3. Then tap on game mode and select custom placing with training mode.

4. Then custom creation tools opened, you can manage custom settings there and then tap on create.

5. After that you can invite your friends to play with you.

6. After inviting all friends, tap on Start option.

And enjoy the custom.

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