The number associated with the beta kids is 413. There are four beta kids, each 13 years old. The number associated with the Alternia trolls is 612. There are 12 trolls, each 6 sweeps old. Clearly, this will either be a one person session with an eight year old, or an eight person session with one year olds.

Except that it already says that Ly'lac is several thousand tidal turns old, which is 15 human years. This means, obviously, that we are going to go back in time so the game can start with players that are a couple earth days old.