User blog comment:Crimson and Darkness/Volume 24 discussion blog/@comment-2602:306:CD9A:C860:E19A:D318:A9ED:19B2-20171223044203/@comment-1359322-20171223051203

But Ravel isn't a King, she isn't a leader she's just a strategist. Their roles are different and their focus will be different too. It's just like how Ravel can't use Ise the same way as Rias or Sona because they don't have the same role and focus.