User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-95.210.189.106-20180331100206/@comment-31764731-20180401111657

AxA will not appear until Orphis and Lilth resonated, though Ise needs to awaken GR power. When Ise mastered his true DxD mode and find a way to combine GR power and Orphis power he can unlock his AxA mode.