User blog comment:Zaarqawi/Why players from YGGDRASIL have been transported to the New World at various periods of time./@comment-85.137.129.10-20151108214353/@comment-59.191.194.61-20151109065251

There is also the possibility that they all were transported at the same time during the final moments of the server shutting down and ended up in the NW at different time points.