Bronz_Deck
i remember a fic where mc used draig to replace his heart with a dragon heart as dragon heart produces a lot of mana how about you do that
if he is using boosted gear then he is already considered half dragon in novels in the future issei can transform into a full dragon
Goldenstar142:That depends on whether he survives the process of having his heart removed and replaced, as well as the dragon slayer weapon weakness.