User blog comment:SayuriDarling/The Mark of Athena Official Discussion/@comment-4649443-20121009204007/@comment-5423251-20121009211845

That was going to confuse many people.Imagine that each one of them had to do something alone, separeted from others.

You would lose some chareters action, like when Annabeth encounter Arachne. RR changed to Leo, and you had to wait for 5 more chapters until you get Annabeth again Now imagine that with seven people