I have 3 units of 10 Daemonettes, 6 Fiends, an old Keeper, and a custom Herald of Slaanesh on mount, which looks to be enough for a Cohort of Slaanesh. Has anyone tried out the other Slaanesh units (the big lawnmowers, or Slaanesh Princes, or the Masque)? I'm wondering if a mono-Slaanesh army...