| December 2020 | ||
| 21/12/20 | The alliance 磐门 was founded. | |
Founding members::  dgwhgotob, Monitor, Alfred and 夢幻腳步. | ||
 The alliance reaches a population more than 1,000. | ||
| February 2021 | ||
| 01/02/21 | Deletion of:夢幻腳步. | |
| March 2021 | ||
| 14/03/21 | Deletion of:dgwhgotob. | |
| April 2021 | ||
| 19/04/21 | Deletion of:Monitor. | |