With absolutely no changes whatsoever, whether promotion or demotion, while regularly using the character.
For me
Asuka: 4th Dan from June 2009 including today
Xiaoyu: 4th Dan from March 2009 including Today
Alisa: 4th Dan from April 2009 including Today
-Only Lili has changed rank
-I think it's safe to say that I'm fated to be 4th Dan for Life
For me
Asuka: 4th Dan from June 2009 including today
Xiaoyu: 4th Dan from March 2009 including Today
Alisa: 4th Dan from April 2009 including Today
-Only Lili has changed rank
-I think it's safe to say that I'm fated to be 4th Dan for Life