User blog comment:B214/Light Novel Volume 16 spoilers/@comment-75.93.25.66-20140105180833/@comment-1359322-20140115094309

True but Riser's Pawn ain't that weak though. Also take Ruruko as an example, she only used one Pawn Piece but she still showed sufficient talent.

In the end, all that matters is Sairaorg, can he choose good servants who are willing to train their ass out like him. In that sense, having 8 Servants is better than 2.