User blog comment:B214/Shin DxD 1 discussion/@comment-79.69.201.127-20180714171743/@comment-28884330-20180714175636

Doesn't mean they are the strategist, as seen by Rias' team having Rias as the strategist, Sona's team having Sona, Rudiger's having himself. Besides, is Tannin the right hand of Mephisto Pheles? This alone makes the "always" mention incorrect.