User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-34061653-20181013135327/@comment-36663391-20181018101408

Issei for now can't use Ingvild for the tournament she need lear how to use the demoniac powers of Leviathan and queen's piece and cntroll her Longinus. I think that Ingvild don't figth before have get a special training for reach BXB and using the special traits of the Bishop and Rook for  defensive magic. About Crom Cruach maybe Ddraig will inflict severals damages and Issei could strike him with Pesudo DXD's Longinus Smasher(enhanced with Ascalon + Penatre)