User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-2405:205:118C:74F6:7DFF:974C:AC29:922E-20180425050623/@comment-3965848-20180426172051

I think it's possible for a Boosted Gear user to enter EJOD, both SGs have SM and JD so it makes sense, but I agree that it be pointless at this point and it's better for Issei and Vali to have abilities/forms exclusive to them.