REGISTER TO REMOVE ADS
Depends on timeframe. Judging from the DDD opening Ansems betrayal wasn't likely long after that moment when the nobodies as formed and from there it depends on how long Xemnas and the others remained in the castle before leaving.Also, I wonder how the people wouldn't know he was an imposter?
*Apprenticenort blows up Radiant Garden* "Haha, it is I, Ansem, Seeker of Darkness, and not at all that Xehanort guy! Mmm'kay bye!Also, I wonder how the people wouldn't know he was an imposter?