User blog comment:B214/Shin DxD 1 discussion/@comment-73.57.25.92-20180721182635

So basically Igvild leviathan's longinus gives her immense water manipulation powers, and control over dragons. Apart of me thought that was the power of the leviathan devil family but unfortunately it isn't, oh well at least now we know multiple wings in things for those related to the original satans(as proven with vali and rizevim). Was really hoping we would learn more about the clan powers this time around especially since issei said in vol 11 that he know the names of the 72 pillars and extra demons clans as well as their powers. But i guess we have to hope that the next volume during the rating game between ias and issei will show rias not just using her power of destruction powers but also what ever the gremory clan's real power(other than high demonic power and great control). Or at the least well see sirzechs use the gremory clan power during the dxd zero which is released next wednesday, and hopeful we'll learn what the clan powers of the four original satans are along with the lucifuge clan power. Here's to hoping.