User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-2405:205:118C:74F6:7DFF:974C:AC29:922E-20180425050623/@comment-2405:205:118C:74F6:7DFF:974C:AC29:922E-20180425070318

But Issei has great red strength so I think it could prevent his life force just like Vali who use demonic powers