User blog comment:B214/Volume 23 discussion blog/@comment-31137559-20170318001642/@comment-87.9.174.130-20170318010709

Issei could use dragonification on his whole body and then envelop himself in the infernal flames of Ddraig without any drawback since his body is made of Great Red's flash, who is immune to those flames. Covering himself in his flames would make him untouchable and every fist and kick could be deadly for his opponent.