User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-2208155-20191013091254/@comment-2600:1700:14E1:4110:5D75:C661:3150:1ED1-20191013171759

So the blade in issei's tail is a 3rd blade that is a prototype for the real ascalon 2. And apparently yasaka and along with other kitsune can create illusions and barriers to "spirit people away" through sun showers/fox weddings. That should be put on their pages.